Home / 8,431.49-11,616.46-5,876.85

Finding the Fourth Proportional to 8,431.49, 11,616.46 and 5,876.85

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Solution

The fourth proportional to 8,431.49, 11,616.46 and 5,876.85 is: 8,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.49 : 11,616.46 = 5,876.85 : x
  2. Step 2: Convert to fraction form
    8,431.49/11,616.46 = 5,876.85/x
  3. Step 3: Cross multiply
    8,431.49x = 11,616.46 × 5,876.85
  4. Step 4: Simplify right side
    8,431.49x = 68,268,149.56
  5. Step 5: Solve for x
    x = 68,268,149.56/8,431.49
  6. Step 6: Final answer
    x = 8,096.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.