Home / 11,249.72-16,874.60-3,458.48

Finding the Fourth Proportional to 11,249.72, 16,874.60 and 3,458.48

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Solution

The fourth proportional to 11,249.72, 16,874.60 and 3,458.48 is: 5,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.72 : 16,874.60 = 3,458.48 : x
  2. Step 2: Convert to fraction form
    11,249.72/16,874.60 = 3,458.48/x
  3. Step 3: Cross multiply
    11,249.72x = 16,874.60 × 3,458.48
  4. Step 4: Simplify right side
    11,249.72x = 58,360,466.61
  5. Step 5: Solve for x
    x = 58,360,466.61/11,249.72
  6. Step 6: Final answer
    x = 5,187.73

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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.