Home / 10,081.17-15,111.90-4,535.91

Finding the Fourth Proportional to 10,081.17, 15,111.90 and 4,535.91

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Solution

The fourth proportional to 10,081.17, 15,111.90 and 4,535.91 is: 6,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.17 : 15,111.90 = 4,535.91 : x
  2. Step 2: Convert to fraction form
    10,081.17/15,111.90 = 4,535.91/x
  3. Step 3: Cross multiply
    10,081.17x = 15,111.90 × 4,535.91
  4. Step 4: Simplify right side
    10,081.17x = 68,546,218.33
  5. Step 5: Solve for x
    x = 68,546,218.33/10,081.17
  6. Step 6: Final answer
    x = 6,799.43

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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.