Home / 10,931.81-16,414.12-6,257.10

Finding the Fourth Proportional to 10,931.81, 16,414.12 and 6,257.10

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Solution

The fourth proportional to 10,931.81, 16,414.12 and 6,257.10 is: 9,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.81 : 16,414.12 = 6,257.10 : x
  2. Step 2: Convert to fraction form
    10,931.81/16,414.12 = 6,257.10/x
  3. Step 3: Cross multiply
    10,931.81x = 16,414.12 × 6,257.10
  4. Step 4: Simplify right side
    10,931.81x = 102,704,774.61
  5. Step 5: Solve for x
    x = 102,704,774.61/10,931.81
  6. Step 6: Final answer
    x = 9,395.04

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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.