Home / 11,633.20-16,049.87-7,658.32

Finding the Fourth Proportional to 11,633.20, 16,049.87 and 7,658.32

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Solution

The fourth proportional to 11,633.20, 16,049.87 and 7,658.32 is: 10,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,633.20 : 16,049.87 = 7,658.32 : x
  2. Step 2: Convert to fraction form
    11,633.20/16,049.87 = 7,658.32/x
  3. Step 3: Cross multiply
    11,633.20x = 16,049.87 × 7,658.32
  4. Step 4: Simplify right side
    11,633.20x = 122,915,040.42
  5. Step 5: Solve for x
    x = 122,915,040.42/11,633.20
  6. Step 6: Final answer
    x = 10,565.88

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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.