Home / 11,169.33-16,742.25-3,771.21

Finding the Fourth Proportional to 11,169.33, 16,742.25 and 3,771.21

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Solution

The fourth proportional to 11,169.33, 16,742.25 and 3,771.21 is: 5,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.33 : 16,742.25 = 3,771.21 : x
  2. Step 2: Convert to fraction form
    11,169.33/16,742.25 = 3,771.21/x
  3. Step 3: Cross multiply
    11,169.33x = 16,742.25 × 3,771.21
  4. Step 4: Simplify right side
    11,169.33x = 63,138,540.62
  5. Step 5: Solve for x
    x = 63,138,540.62/11,169.33
  6. Step 6: Final answer
    x = 5,652.85

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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.