Home / 10,614.12-15,918.45-4,375.91

Finding the Fourth Proportional to 10,614.12, 15,918.45 and 4,375.91

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Solution

The fourth proportional to 10,614.12, 15,918.45 and 4,375.91 is: 6,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.12 : 15,918.45 = 4,375.91 : x
  2. Step 2: Convert to fraction form
    10,614.12/15,918.45 = 4,375.91/x
  3. Step 3: Cross multiply
    10,614.12x = 15,918.45 × 4,375.91
  4. Step 4: Simplify right side
    10,614.12x = 69,657,624.95
  5. Step 5: Solve for x
    x = 69,657,624.95/10,614.12
  6. Step 6: Final answer
    x = 6,562.73

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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.