Home / 10,122.26-15,182.19-2,726.15

Finding the Fourth Proportional to 10,122.26, 15,182.19 and 2,726.15

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Solution

The fourth proportional to 10,122.26, 15,182.19 and 2,726.15 is: 4,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.26 : 15,182.19 = 2,726.15 : x
  2. Step 2: Convert to fraction form
    10,122.26/15,182.19 = 2,726.15/x
  3. Step 3: Cross multiply
    10,122.26x = 15,182.19 × 2,726.15
  4. Step 4: Simplify right side
    10,122.26x = 41,388,851.36
  5. Step 5: Solve for x
    x = 41,388,851.36/10,122.26
  6. Step 6: Final answer
    x = 4,088.90

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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.