Home / 12,041.60-18,062.92-3,721.44

Finding the Fourth Proportional to 12,041.60, 18,062.92 and 3,721.44

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Solution

The fourth proportional to 12,041.60, 18,062.92 and 3,721.44 is: 5,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.60 : 18,062.92 = 3,721.44 : x
  2. Step 2: Convert to fraction form
    12,041.60/18,062.92 = 3,721.44/x
  3. Step 3: Cross multiply
    12,041.60x = 18,062.92 × 3,721.44
  4. Step 4: Simplify right side
    12,041.60x = 67,220,073.00
  5. Step 5: Solve for x
    x = 67,220,073.00/12,041.60
  6. Step 6: Final answer
    x = 5,582.32

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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.