Home / 10,414.78-15,626.01-4,869.92

Finding the Fourth Proportional to 10,414.78, 15,626.01 and 4,869.92

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Solution

The fourth proportional to 10,414.78, 15,626.01 and 4,869.92 is: 7,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.78 : 15,626.01 = 4,869.92 : x
  2. Step 2: Convert to fraction form
    10,414.78/15,626.01 = 4,869.92/x
  3. Step 3: Cross multiply
    10,414.78x = 15,626.01 × 4,869.92
  4. Step 4: Simplify right side
    10,414.78x = 76,097,475.95
  5. Step 5: Solve for x
    x = 76,097,475.95/10,414.78
  6. Step 6: Final answer
    x = 7,306.68

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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.