Home / 7,543.98-11,316.11-2,613.78

Finding the Fourth Proportional to 7,543.98, 11,316.11 and 2,613.78

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Solution

The fourth proportional to 7,543.98, 11,316.11 and 2,613.78 is: 3,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.98 : 11,316.11 = 2,613.78 : x
  2. Step 2: Convert to fraction form
    7,543.98/11,316.11 = 2,613.78/x
  3. Step 3: Cross multiply
    7,543.98x = 11,316.11 × 2,613.78
  4. Step 4: Simplify right side
    7,543.98x = 29,577,773.03
  5. Step 5: Solve for x
    x = 29,577,773.03/7,543.98
  6. Step 6: Final answer
    x = 3,920.71

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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.