Найдите неизвестный член пропорции.
6 1/2:x=6 5/6 :4,1
0,38:x=4 3/4:1 7/8
10,4:3 5/7=x:5/11
1,25:1,4=0,75:x
3 1/2:0,4=x:1 1/7
15,6:2,88=x:14 2 /5

6 5/6х = 4,1* 6,541/6х = 26,65х = 3,9-----------------------4 3/4х = 0,38 * 1 7/819/4х = 0,38 * 15/819/4х = 0,7125х = 0,15-------------------------3 5/7х = 10,4 * 5/1126/7х = 52/5 * 5/1126/7х = 52/11х = 14/11х = 1ц.3/11---------------------------1,25х = 1,4 * 0,751,25х = 1,05      х = 0,84-----------------------------0,4х = 3 1/2 * 1 1/70,4х = 7/2 * 8/70,4х = 4х = 10---------------------------2,88х = 15,6 * 14 2/52,88х = 15,6 * 14,42,88х = 224,64х = 78--------------------------