Home / 12,049.75-18,074.63-3,729.43

Finding the Fourth Proportional to 12,049.75, 18,074.63 and 3,729.43

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Solution

The fourth proportional to 12,049.75, 18,074.63 and 3,729.43 is: 5,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.75 : 18,074.63 = 3,729.43 : x
  2. Step 2: Convert to fraction form
    12,049.75/18,074.63 = 3,729.43/x
  3. Step 3: Cross multiply
    12,049.75x = 18,074.63 × 3,729.43
  4. Step 4: Simplify right side
    12,049.75x = 67,408,067.36
  5. Step 5: Solve for x
    x = 67,408,067.36/12,049.75
  6. Step 6: Final answer
    x = 5,594.15

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1.5x scale

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.