Home / 10,691.54-16,037.97-4,117.75

Finding the Fourth Proportional to 10,691.54, 16,037.97 and 4,117.75

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Solution

The fourth proportional to 10,691.54, 16,037.97 and 4,117.75 is: 6,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.54 : 16,037.97 = 4,117.75 : x
  2. Step 2: Convert to fraction form
    10,691.54/16,037.97 = 4,117.75/x
  3. Step 3: Cross multiply
    10,691.54x = 16,037.97 × 4,117.75
  4. Step 4: Simplify right side
    10,691.54x = 66,040,310.87
  5. Step 5: Solve for x
    x = 66,040,310.87/10,691.54
  6. Step 6: Final answer
    x = 6,176.87

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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.