Home / 12,083.17-18,117.31-4,183.85

Finding the Fourth Proportional to 12,083.17, 18,117.31 and 4,183.85

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Solution

The fourth proportional to 12,083.17, 18,117.31 and 4,183.85 is: 6,273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.17 : 18,117.31 = 4,183.85 : x
  2. Step 2: Convert to fraction form
    12,083.17/18,117.31 = 4,183.85/x
  3. Step 3: Cross multiply
    12,083.17x = 18,117.31 × 4,183.85
  4. Step 4: Simplify right side
    12,083.17x = 75,799,995.94
  5. Step 5: Solve for x
    x = 75,799,995.94/12,083.17
  6. Step 6: Final answer
    x = 6,273.19

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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.