Home / 8,708.43-13,057.18-5,743.68

Finding the Fourth Proportional to 8,708.43, 13,057.18 and 5,743.68

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Solution

The fourth proportional to 8,708.43, 13,057.18 and 5,743.68 is: 8,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.43 : 13,057.18 = 5,743.68 : x
  2. Step 2: Convert to fraction form
    8,708.43/13,057.18 = 5,743.68/x
  3. Step 3: Cross multiply
    8,708.43x = 13,057.18 × 5,743.68
  4. Step 4: Simplify right side
    8,708.43x = 74,996,270.80
  5. Step 5: Solve for x
    x = 74,996,270.80/8,708.43
  6. Step 6: Final answer
    x = 8,611.91

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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.