Home / 11,839.89-16,337.90-6,534.38

Finding the Fourth Proportional to 11,839.89, 16,337.90 and 6,534.38

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Solution

The fourth proportional to 11,839.89, 16,337.90 and 6,534.38 is: 9,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.89 : 16,337.90 = 6,534.38 : x
  2. Step 2: Convert to fraction form
    11,839.89/16,337.90 = 6,534.38/x
  3. Step 3: Cross multiply
    11,839.89x = 16,337.90 × 6,534.38
  4. Step 4: Simplify right side
    11,839.89x = 106,757,932.64
  5. Step 5: Solve for x
    x = 106,757,932.64/11,839.89
  6. Step 6: Final answer
    x = 9,016.80

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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.