Home / 10,102.43-13,934.68-6,319.03

Finding the Fourth Proportional to 10,102.43, 13,934.68 and 6,319.03

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Solution

The fourth proportional to 10,102.43, 13,934.68 and 6,319.03 is: 8,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.43 : 13,934.68 = 6,319.03 : x
  2. Step 2: Convert to fraction form
    10,102.43/13,934.68 = 6,319.03/x
  3. Step 3: Cross multiply
    10,102.43x = 13,934.68 × 6,319.03
  4. Step 4: Simplify right side
    10,102.43x = 88,053,660.96
  5. Step 5: Solve for x
    x = 88,053,660.96/10,102.43
  6. Step 6: Final answer
    x = 8,716.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.