Home / 11,186.97-16,772.25-5,917.71

Finding the Fourth Proportional to 11,186.97, 16,772.25 and 5,917.71

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Solution

The fourth proportional to 11,186.97, 16,772.25 and 5,917.71 is: 8,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.97 : 16,772.25 = 5,917.71 : x
  2. Step 2: Convert to fraction form
    11,186.97/16,772.25 = 5,917.71/x
  3. Step 3: Cross multiply
    11,186.97x = 16,772.25 × 5,917.71
  4. Step 4: Simplify right side
    11,186.97x = 99,253,311.55
  5. Step 5: Solve for x
    x = 99,253,311.55/11,186.97
  6. Step 6: Final answer
    x = 8,872.22

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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.