Home / 11,837.18-17,743.29-3,937.59

Finding the Fourth Proportional to 11,837.18, 17,743.29 and 3,937.59

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Solution

The fourth proportional to 11,837.18, 17,743.29 and 3,937.59 is: 5,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.18 : 17,743.29 = 3,937.59 : x
  2. Step 2: Convert to fraction form
    11,837.18/17,743.29 = 3,937.59/x
  3. Step 3: Cross multiply
    11,837.18x = 17,743.29 × 3,937.59
  4. Step 4: Simplify right side
    11,837.18x = 69,865,753.21
  5. Step 5: Solve for x
    x = 69,865,753.21/11,837.18
  6. Step 6: Final answer
    x = 5,902.23

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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.