11.) 2 : 6 = 10 : [tex]\small\color{green}\boxed{30}[/tex]
12.) 8 : [tex]\small\color{green}\boxed{12}[/tex] = 2 : 3
13.) [tex]\small\color{green}\boxed{9}[/tex] : 6 = 45 : 30
14.) [tex]\small\color{green}\boxed{6}[/tex] : 12 = 16 : 32
15.) 5 : 4 = [tex]\small\color{green}\boxed{25}[/tex] : 20
16.) 3 : 5 = 6 : [tex]\small\color{green}\boxed{10}[/tex]