Home / 10,965.38-15,132.42-6,249.96

Finding the Fourth Proportional to 10,965.38, 15,132.42 and 6,249.96

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Solution

The fourth proportional to 10,965.38, 15,132.42 and 6,249.96 is: 8,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.38 : 15,132.42 = 6,249.96 : x
  2. Step 2: Convert to fraction form
    10,965.38/15,132.42 = 6,249.96/x
  3. Step 3: Cross multiply
    10,965.38x = 15,132.42 × 6,249.96
  4. Step 4: Simplify right side
    10,965.38x = 94,577,019.70
  5. Step 5: Solve for x
    x = 94,577,019.70/10,965.38
  6. Step 6: Final answer
    x = 8,625.06

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1.5x scale

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.