Home / 11,740.48-17,613.45-3,421.38

Finding the Fourth Proportional to 11,740.48, 17,613.45 and 3,421.38

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Solution

The fourth proportional to 11,740.48, 17,613.45 and 3,421.38 is: 5,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.48 : 17,613.45 = 3,421.38 : x
  2. Step 2: Convert to fraction form
    11,740.48/17,613.45 = 3,421.38/x
  3. Step 3: Cross multiply
    11,740.48x = 17,613.45 × 3,421.38
  4. Step 4: Simplify right side
    11,740.48x = 60,262,305.56
  5. Step 5: Solve for x
    x = 60,262,305.56/11,740.48
  6. Step 6: Final answer
    x = 5,132.87

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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.