Home / 11,146.80-16,723.10-3,249.14

Finding the Fourth Proportional to 11,146.80, 16,723.10 and 3,249.14

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Solution

The fourth proportional to 11,146.80, 16,723.10 and 3,249.14 is: 4,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.80 : 16,723.10 = 3,249.14 : x
  2. Step 2: Convert to fraction form
    11,146.80/16,723.10 = 3,249.14/x
  3. Step 3: Cross multiply
    11,146.80x = 16,723.10 × 3,249.14
  4. Step 4: Simplify right side
    11,146.80x = 54,335,693.13
  5. Step 5: Solve for x
    x = 54,335,693.13/11,146.80
  6. Step 6: Final answer
    x = 4,874.56

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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.