Home / 10,169.97-15,255.50-3,154.83

Finding the Fourth Proportional to 10,169.97, 15,255.50 and 3,154.83

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Solution

The fourth proportional to 10,169.97, 15,255.50 and 3,154.83 is: 4,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.97 : 15,255.50 = 3,154.83 : x
  2. Step 2: Convert to fraction form
    10,169.97/15,255.50 = 3,154.83/x
  3. Step 3: Cross multiply
    10,169.97x = 15,255.50 × 3,154.83
  4. Step 4: Simplify right side
    10,169.97x = 48,128,493.29
  5. Step 5: Solve for x
    x = 48,128,493.29/10,169.97
  6. Step 6: Final answer
    x = 4,732.41

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1.5x scale

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.