Home / 10,409.52-15,610.36-3,387.69

Finding the Fourth Proportional to 10,409.52, 15,610.36 and 3,387.69

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Solution

The fourth proportional to 10,409.52, 15,610.36 and 3,387.69 is: 5,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.52 : 15,610.36 = 3,387.69 : x
  2. Step 2: Convert to fraction form
    10,409.52/15,610.36 = 3,387.69/x
  3. Step 3: Cross multiply
    10,409.52x = 15,610.36 × 3,387.69
  4. Step 4: Simplify right side
    10,409.52x = 52,883,060.47
  5. Step 5: Solve for x
    x = 52,883,060.47/10,409.52
  6. Step 6: Final answer
    x = 5,080.26

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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.