Home / 10,473.26-15,708.54-8,729.16

Finding the Fourth Proportional to 10,473.26, 15,708.54 and 8,729.16

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Solution

The fourth proportional to 10,473.26, 15,708.54 and 8,729.16 is: 13,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.26 : 15,708.54 = 8,729.16 : x
  2. Step 2: Convert to fraction form
    10,473.26/15,708.54 = 8,729.16/x
  3. Step 3: Cross multiply
    10,473.26x = 15,708.54 × 8,729.16
  4. Step 4: Simplify right side
    10,473.26x = 137,122,359.03
  5. Step 5: Solve for x
    x = 137,122,359.03/10,473.26
  6. Step 6: Final answer
    x = 13,092.61

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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.