CATEDRILLACHRISTIANGIN CATEDRILLACHRISTIANGIN Math Answered 1. Tell whether each pair of ratios form a proportion or not. Write before each number, YES if they are proportion or NO if they are not 1) 3:6, 6:12 3) 2:6, 4:12 5) 2:3 4.10 2) 5:8, 6:9 4) 4:5, 8:9