Home / 10,122.39-15,184.49-2,726.88

Finding the Fourth Proportional to 10,122.39, 15,184.49 and 2,726.88

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Solution

The fourth proportional to 10,122.39, 15,184.49 and 2,726.88 is: 4,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.39 : 15,184.49 = 2,726.88 : x
  2. Step 2: Convert to fraction form
    10,122.39/15,184.49 = 2,726.88/x
  3. Step 3: Cross multiply
    10,122.39x = 15,184.49 × 2,726.88
  4. Step 4: Simplify right side
    10,122.39x = 41,406,268.46
  5. Step 5: Solve for x
    x = 41,406,268.46/10,122.39
  6. Step 6: Final answer
    x = 4,090.56

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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.