Home / 11,737.82-16,197.69-6,432.86

Finding the Fourth Proportional to 11,737.82, 16,197.69 and 6,432.86

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Solution

The fourth proportional to 11,737.82, 16,197.69 and 6,432.86 is: 8,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,737.82 : 16,197.69 = 6,432.86 : x
  2. Step 2: Convert to fraction form
    11,737.82/16,197.69 = 6,432.86/x
  3. Step 3: Cross multiply
    11,737.82x = 16,197.69 × 6,432.86
  4. Step 4: Simplify right side
    11,737.82x = 104,197,391.10
  5. Step 5: Solve for x
    x = 104,197,391.10/11,737.82
  6. Step 6: Final answer
    x = 8,877.07

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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.