Home / 10,689.76-16,034.91-5,066.11

Finding the Fourth Proportional to 10,689.76, 16,034.91 and 5,066.11

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Solution

The fourth proportional to 10,689.76, 16,034.91 and 5,066.11 is: 7,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.76 : 16,034.91 = 5,066.11 : x
  2. Step 2: Convert to fraction form
    10,689.76/16,034.91 = 5,066.11/x
  3. Step 3: Cross multiply
    10,689.76x = 16,034.91 × 5,066.11
  4. Step 4: Simplify right side
    10,689.76x = 81,234,617.90
  5. Step 5: Solve for x
    x = 81,234,617.90/10,689.76
  6. Step 6: Final answer
    x = 7,599.29

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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.