Home / 12,062.47-18,092.27-5,138.95

Finding the Fourth Proportional to 12,062.47, 18,092.27 and 5,138.95

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Solution

The fourth proportional to 12,062.47, 18,092.27 and 5,138.95 is: 7,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.47 : 18,092.27 = 5,138.95 : x
  2. Step 2: Convert to fraction form
    12,062.47/18,092.27 = 5,138.95/x
  3. Step 3: Cross multiply
    12,062.47x = 18,092.27 × 5,138.95
  4. Step 4: Simplify right side
    12,062.47x = 92,975,245.22
  5. Step 5: Solve for x
    x = 92,975,245.22/12,062.47
  6. Step 6: Final answer
    x = 7,707.81

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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.