Home / 11,741.90-17,613.19-3,421.73

Finding the Fourth Proportional to 11,741.90, 17,613.19 and 3,421.73

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Solution

The fourth proportional to 11,741.90, 17,613.19 and 3,421.73 is: 5,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.90 : 17,613.19 = 3,421.73 : x
  2. Step 2: Convert to fraction form
    11,741.90/17,613.19 = 3,421.73/x
  3. Step 3: Cross multiply
    11,741.90x = 17,613.19 × 3,421.73
  4. Step 4: Simplify right side
    11,741.90x = 60,267,628.93
  5. Step 5: Solve for x
    x = 60,267,628.93/11,741.90
  6. Step 6: Final answer
    x = 5,132.70

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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.