Home / 11,151.18-16,728.30-6,473.39

Finding the Fourth Proportional to 11,151.18, 16,728.30 and 6,473.39

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Solution

The fourth proportional to 11,151.18, 16,728.30 and 6,473.39 is: 9,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.18 : 16,728.30 = 6,473.39 : x
  2. Step 2: Convert to fraction form
    11,151.18/16,728.30 = 6,473.39/x
  3. Step 3: Cross multiply
    11,151.18x = 16,728.30 × 6,473.39
  4. Step 4: Simplify right side
    11,151.18x = 108,288,726.30
  5. Step 5: Solve for x
    x = 108,288,726.30/11,151.18
  6. Step 6: Final answer
    x = 9,710.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.