Airdrie will face Premiership side Dundee United in the fourth round of the William Hill Scottish Cup. 

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The Diamonds progressed after a 3-1 win over Brechin city on Saturday, and their reward is a home tie against Mixu Paatelainen's men. 

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The tie is scheduled for the weekend of the 9th and 10th of January 2016. 

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The complete fourth round draw is as follows: 

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St. Johnstone v Kilmarnock
Dunfermline Athletic v Ross County  
Stirling Albion or Cumbernauld Colts v Inverness Caledonian Thistle
Wick Academy or Linlithgow Rose v Queen’s Park or Forfar Athletic
Dundee v Falkirk
Livingston v Greenock Morton
Dumbarton or Alloa Athletic v Queen of the South
Stenhousemuir or East Kilbride v Huntly or Lothian Thistle Hutchison Vale
Motherwell v Formartine United or Cove Rangers
Heart of Midlothian v Aberdeen
Airdrieonians v Dundee United
Stranraer v Celtic
Rangers v Cowdenbeath or Arbroath
St Mirren v Partick Thistle
Inverurie Loco Works or Annan Athletic v Hamilton Academical
Raith Rovers v Hibernian