Home / 11,740.07-17,613.17-3,419.91

Finding the Fourth Proportional to 11,740.07, 17,613.17 and 3,419.91

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Solution

The fourth proportional to 11,740.07, 17,613.17 and 3,419.91 is: 5,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.07 : 17,613.17 = 3,419.91 : x
  2. Step 2: Convert to fraction form
    11,740.07/17,613.17 = 3,419.91/x
  3. Step 3: Cross multiply
    11,740.07x = 17,613.17 × 3,419.91
  4. Step 4: Simplify right side
    11,740.07x = 60,235,439.12
  5. Step 5: Solve for x
    x = 60,235,439.12/11,740.07
  6. Step 6: Final answer
    x = 5,130.76

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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.