Home / 11,250.72-16,876.08-3,458.52

Finding the Fourth Proportional to 11,250.72, 16,876.08 and 3,458.52

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Solution

The fourth proportional to 11,250.72, 16,876.08 and 3,458.52 is: 5,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.72 : 16,876.08 = 3,458.52 : x
  2. Step 2: Convert to fraction form
    11,250.72/16,876.08 = 3,458.52/x
  3. Step 3: Cross multiply
    11,250.72x = 16,876.08 × 3,458.52
  4. Step 4: Simplify right side
    11,250.72x = 58,366,260.20
  5. Step 5: Solve for x
    x = 58,366,260.20/11,250.72
  6. Step 6: Final answer
    x = 5,187.78

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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.