Home / 12,043.65-18,067.19-3,724.40

Finding the Fourth Proportional to 12,043.65, 18,067.19 and 3,724.40

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Solution

The fourth proportional to 12,043.65, 18,067.19 and 3,724.40 is: 5,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.65 : 18,067.19 = 3,724.40 : x
  2. Step 2: Convert to fraction form
    12,043.65/18,067.19 = 3,724.40/x
  3. Step 3: Cross multiply
    12,043.65x = 18,067.19 × 3,724.40
  4. Step 4: Simplify right side
    12,043.65x = 67,289,468.98
  5. Step 5: Solve for x
    x = 67,289,468.98/12,043.65
  6. Step 6: Final answer
    x = 5,587.13

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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.