Home / 10,217.97-15,331.28-4,377.33

Finding the Fourth Proportional to 10,217.97, 15,331.28 and 4,377.33

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Solution

The fourth proportional to 10,217.97, 15,331.28 and 4,377.33 is: 6,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.97 : 15,331.28 = 4,377.33 : x
  2. Step 2: Convert to fraction form
    10,217.97/15,331.28 = 4,377.33/x
  3. Step 3: Cross multiply
    10,217.97x = 15,331.28 × 4,377.33
  4. Step 4: Simplify right side
    10,217.97x = 67,110,050.00
  5. Step 5: Solve for x
    x = 67,110,050.00/10,217.97
  6. Step 6: Final answer
    x = 6,567.85

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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.