Home / 11,839.24-17,661.82-11,517.46

Finding the Fourth Proportional to 11,839.24, 17,661.82 and 11,517.46

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Solution

The fourth proportional to 11,839.24, 17,661.82 and 11,517.46 is: 17,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.24 : 17,661.82 = 11,517.46 : x
  2. Step 2: Convert to fraction form
    11,839.24/17,661.82 = 11,517.46/x
  3. Step 3: Cross multiply
    11,839.24x = 17,661.82 × 11,517.46
  4. Step 4: Simplify right side
    11,839.24x = 203,419,305.38
  5. Step 5: Solve for x
    x = 203,419,305.38/11,839.24
  6. Step 6: Final answer
    x = 17,181.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.