Home / 10,619.88-15,934.14-3,694.92

Finding the Fourth Proportional to 10,619.88, 15,934.14 and 3,694.92

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Solution

The fourth proportional to 10,619.88, 15,934.14 and 3,694.92 is: 5,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.88 : 15,934.14 = 3,694.92 : x
  2. Step 2: Convert to fraction form
    10,619.88/15,934.14 = 3,694.92/x
  3. Step 3: Cross multiply
    10,619.88x = 15,934.14 × 3,694.92
  4. Step 4: Simplify right side
    10,619.88x = 58,875,372.57
  5. Step 5: Solve for x
    x = 58,875,372.57/10,619.88
  6. Step 6: Final answer
    x = 5,543.88

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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.