Home / 11,249.30-16,874.24-2,929.12

Finding the Fourth Proportional to 11,249.30, 16,874.24 and 2,929.12

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Solution

The fourth proportional to 11,249.30, 16,874.24 and 2,929.12 is: 4,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.30 : 16,874.24 = 2,929.12 : x
  2. Step 2: Convert to fraction form
    11,249.30/16,874.24 = 2,929.12/x
  3. Step 3: Cross multiply
    11,249.30x = 16,874.24 × 2,929.12
  4. Step 4: Simplify right side
    11,249.30x = 49,426,673.87
  5. Step 5: Solve for x
    x = 49,426,673.87/11,249.30
  6. Step 6: Final answer
    x = 4,393.76

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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.