The product of two rational numbers is -9. If one of the number is -12, find the other? Share with your friends Share 0 Gauri Baheti answered this let it be x.-12*x = -9x= -9/-12=3/4 3 View Full Answer Deepti answered this we are let the second number 'y' then -12 X y= -9then y=-9/-12y=0.75 0