Home / 11,186.17-16,781.09-3,791.49

Finding the Fourth Proportional to 11,186.17, 16,781.09 and 3,791.49

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Solution

The fourth proportional to 11,186.17, 16,781.09 and 3,791.49 is: 5,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.17 : 16,781.09 = 3,791.49 : x
  2. Step 2: Convert to fraction form
    11,186.17/16,781.09 = 3,791.49/x
  3. Step 3: Cross multiply
    11,186.17x = 16,781.09 × 3,791.49
  4. Step 4: Simplify right side
    11,186.17x = 63,625,334.92
  5. Step 5: Solve for x
    x = 63,625,334.92/11,186.17
  6. Step 6: Final answer
    x = 5,687.86

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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.