...3/8; х; 6; 24... х-?
ETO GEOMETRICHESKAYA PROGRESSIYA.
ZNAMENATELJ PROGRESSII 24:6=4.
TOGDA X=6:4; X=1.5=1 1/2= 12/8.
DLYA PROVERKI: 3/8 * 4 = 12/8
OTVET: X=1.5