Home / 10,276.10-15,404.90-3,697.66

Finding the Fourth Proportional to 10,276.10, 15,404.90 and 3,697.66

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Solution

The fourth proportional to 10,276.10, 15,404.90 and 3,697.66 is: 5,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.10 : 15,404.90 = 3,697.66 : x
  2. Step 2: Convert to fraction form
    10,276.10/15,404.90 = 3,697.66/x
  3. Step 3: Cross multiply
    10,276.10x = 15,404.90 × 3,697.66
  4. Step 4: Simplify right side
    10,276.10x = 56,962,082.53
  5. Step 5: Solve for x
    x = 56,962,082.53/10,276.10
  6. Step 6: Final answer
    x = 5,543.16

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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.