In 1952 , it joined with WÃ 1\/4 rttemberg-Baden and WÃ 1\/4 rttemberg-Hohenzollern to make the state of Baden-W Ã 1\/4 rttemberg . In 1952 Baden merged with WÃ 1\/4 rttemberg-Baden and WÃ 1\/4 rttemberg-Hohenzollern ( southern WÃ 1\/4 rttemberg and the former Prussian exclave of Hohenzollern ) to form Baden-W Ã 1\/4 rttemberg .