Home / 11,146.41-16,716.87-5,227.38

Finding the Fourth Proportional to 11,146.41, 16,716.87 and 5,227.38

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Solution

The fourth proportional to 11,146.41, 16,716.87 and 5,227.38 is: 7,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.41 : 16,716.87 = 5,227.38 : x
  2. Step 2: Convert to fraction form
    11,146.41/16,716.87 = 5,227.38/x
  3. Step 3: Cross multiply
    11,146.41x = 16,716.87 × 5,227.38
  4. Step 4: Simplify right side
    11,146.41x = 87,385,431.90
  5. Step 5: Solve for x
    x = 87,385,431.90/11,146.41
  6. Step 6: Final answer
    x = 7,839.78

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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.