Home / 10,081.17-15,121.13-3,508.02

Finding the Fourth Proportional to 10,081.17, 15,121.13 and 3,508.02

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Solution

The fourth proportional to 10,081.17, 15,121.13 and 3,508.02 is: 5,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.17 : 15,121.13 = 3,508.02 : x
  2. Step 2: Convert to fraction form
    10,081.17/15,121.13 = 3,508.02/x
  3. Step 3: Cross multiply
    10,081.17x = 15,121.13 × 3,508.02
  4. Step 4: Simplify right side
    10,081.17x = 53,045,208.92
  5. Step 5: Solve for x
    x = 53,045,208.92/10,081.17
  6. Step 6: Final answer
    x = 5,261.81

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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.