Home / 11,925.28-17,882.16-4,997.92

Finding the Fourth Proportional to 11,925.28, 17,882.16 and 4,997.92

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Solution

The fourth proportional to 11,925.28, 17,882.16 and 4,997.92 is: 7,494.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.28 : 17,882.16 = 4,997.92 : x
  2. Step 2: Convert to fraction form
    11,925.28/17,882.16 = 4,997.92/x
  3. Step 3: Cross multiply
    11,925.28x = 17,882.16 × 4,997.92
  4. Step 4: Simplify right side
    11,925.28x = 89,373,605.11
  5. Step 5: Solve for x
    x = 89,373,605.11/11,925.28
  6. Step 6: Final answer
    x = 7,494.47

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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.