Home / 11,737.38-16,197.58-6,432.40

Finding the Fourth Proportional to 11,737.38, 16,197.58 and 6,432.40

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Solution

The fourth proportional to 11,737.38, 16,197.58 and 6,432.40 is: 8,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,737.38 : 16,197.58 = 6,432.40 : x
  2. Step 2: Convert to fraction form
    11,737.38/16,197.58 = 6,432.40/x
  3. Step 3: Cross multiply
    11,737.38x = 16,197.58 × 6,432.40
  4. Step 4: Simplify right side
    11,737.38x = 104,189,313.59
  5. Step 5: Solve for x
    x = 104,189,313.59/11,737.38
  6. Step 6: Final answer
    x = 8,876.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.