Home / 9,141.90-12,614.85-6,753.12

Finding the Fourth Proportional to 9,141.90, 12,614.85 and 6,753.12

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Solution

The fourth proportional to 9,141.90, 12,614.85 and 6,753.12 is: 9,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.90 : 12,614.85 = 6,753.12 : x
  2. Step 2: Convert to fraction form
    9,141.90/12,614.85 = 6,753.12/x
  3. Step 3: Cross multiply
    9,141.90x = 12,614.85 × 6,753.12
  4. Step 4: Simplify right side
    9,141.90x = 85,189,595.83
  5. Step 5: Solve for x
    x = 85,189,595.83/9,141.90
  6. Step 6: Final answer
    x = 9,318.59

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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.