Home / 11,742.45-17,613.05-3,843.97

Finding the Fourth Proportional to 11,742.45, 17,613.05 and 3,843.97

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Solution

The fourth proportional to 11,742.45, 17,613.05 and 3,843.97 is: 5,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.45 : 17,613.05 = 3,843.97 : x
  2. Step 2: Convert to fraction form
    11,742.45/17,613.05 = 3,843.97/x
  3. Step 3: Cross multiply
    11,742.45x = 17,613.05 × 3,843.97
  4. Step 4: Simplify right side
    11,742.45x = 67,704,004.99
  5. Step 5: Solve for x
    x = 67,704,004.99/11,742.45
  6. Step 6: Final answer
    x = 5,765.75

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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.