Home / 12,125.66-18,183.18-6,118.04

Finding the Fourth Proportional to 12,125.66, 18,183.18 and 6,118.04

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Solution

The fourth proportional to 12,125.66, 18,183.18 and 6,118.04 is: 9,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.66 : 18,183.18 = 6,118.04 : x
  2. Step 2: Convert to fraction form
    12,125.66/18,183.18 = 6,118.04/x
  3. Step 3: Cross multiply
    12,125.66x = 18,183.18 × 6,118.04
  4. Step 4: Simplify right side
    12,125.66x = 111,245,422.57
  5. Step 5: Solve for x
    x = 111,245,422.57/12,125.66
  6. Step 6: Final answer
    x = 9,174.38

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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.