Home / 10,116.99-15,180.17-3,874.92

Finding the Fourth Proportional to 10,116.99, 15,180.17 and 3,874.92

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Solution

The fourth proportional to 10,116.99, 15,180.17 and 3,874.92 is: 5,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.99 : 15,180.17 = 3,874.92 : x
  2. Step 2: Convert to fraction form
    10,116.99/15,180.17 = 3,874.92/x
  3. Step 3: Cross multiply
    10,116.99x = 15,180.17 × 3,874.92
  4. Step 4: Simplify right side
    10,116.99x = 58,821,924.96
  5. Step 5: Solve for x
    x = 58,821,924.96/10,116.99
  6. Step 6: Final answer
    x = 5,814.17

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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.