Home / 10,968.20-15,132.17-6,249.75

Finding the Fourth Proportional to 10,968.20, 15,132.17 and 6,249.75

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Solution

The fourth proportional to 10,968.20, 15,132.17 and 6,249.75 is: 8,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.20 : 15,132.17 = 6,249.75 : x
  2. Step 2: Convert to fraction form
    10,968.20/15,132.17 = 6,249.75/x
  3. Step 3: Cross multiply
    10,968.20x = 15,132.17 × 6,249.75
  4. Step 4: Simplify right side
    10,968.20x = 94,572,248.21
  5. Step 5: Solve for x
    x = 94,572,248.21/10,968.20
  6. Step 6: Final answer
    x = 8,622.41

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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.