Home / 11,414.78-15,753.21-6,937.66

Finding the Fourth Proportional to 11,414.78, 15,753.21 and 6,937.66

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Solution

The fourth proportional to 11,414.78, 15,753.21 and 6,937.66 is: 9,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.78 : 15,753.21 = 6,937.66 : x
  2. Step 2: Convert to fraction form
    11,414.78/15,753.21 = 6,937.66/x
  3. Step 3: Cross multiply
    11,414.78x = 15,753.21 × 6,937.66
  4. Step 4: Simplify right side
    11,414.78x = 109,290,380.20
  5. Step 5: Solve for x
    x = 109,290,380.20/11,414.78
  6. Step 6: Final answer
    x = 9,574.46

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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.