Home / 11,231.53-16,853.37-5,691.13

Finding the Fourth Proportional to 11,231.53, 16,853.37 and 5,691.13

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Solution

The fourth proportional to 11,231.53, 16,853.37 and 5,691.13 is: 8,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.53 : 16,853.37 = 5,691.13 : x
  2. Step 2: Convert to fraction form
    11,231.53/16,853.37 = 5,691.13/x
  3. Step 3: Cross multiply
    11,231.53x = 16,853.37 × 5,691.13
  4. Step 4: Simplify right side
    11,231.53x = 95,914,719.61
  5. Step 5: Solve for x
    x = 95,914,719.61/11,231.53
  6. Step 6: Final answer
    x = 8,539.77

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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.