Finding the Fourth Proportional to 9,376.05, 14,064.81 and 3,136.09
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Solution
The fourth proportional to 9,376.05, 14,064.81 and 3,136.09 is: 4,704.39
Step by Step Solution
- Step 1: Write the proportion equation
9,376.05 : 14,064.81 = 3,136.09 : x - Step 2: Convert to fraction form
9,376.05/14,064.81 = 3,136.09/x - Step 3: Cross multiply
9,376.05x = 14,064.81 × 3,136.09 - Step 4: Simplify right side
9,376.05x = 44,108,555.46 - Step 5: Solve for x
x = 44,108,555.46/9,376.05 - Step 6: Final answer
x = 4,704.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.