Home / 11,993.91-17,989.24-3,229.35

Finding the Fourth Proportional to 11,993.91, 17,989.24 and 3,229.35

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Solution

The fourth proportional to 11,993.91, 17,989.24 and 3,229.35 is: 4,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.91 : 17,989.24 = 3,229.35 : x
  2. Step 2: Convert to fraction form
    11,993.91/17,989.24 = 3,229.35/x
  3. Step 3: Cross multiply
    11,993.91x = 17,989.24 × 3,229.35
  4. Step 4: Simplify right side
    11,993.91x = 58,093,552.19
  5. Step 5: Solve for x
    x = 58,093,552.19/11,993.91
  6. Step 6: Final answer
    x = 4,843.59

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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.