Home / 8,079.92-11,141.16-5,837.84

Finding the Fourth Proportional to 8,079.92, 11,141.16 and 5,837.84

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Solution

The fourth proportional to 8,079.92, 11,141.16 and 5,837.84 is: 8,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.92 : 11,141.16 = 5,837.84 : x
  2. Step 2: Convert to fraction form
    8,079.92/11,141.16 = 5,837.84/x
  3. Step 3: Cross multiply
    8,079.92x = 11,141.16 × 5,837.84
  4. Step 4: Simplify right side
    8,079.92x = 65,040,309.49
  5. Step 5: Solve for x
    x = 65,040,309.49/8,079.92
  6. Step 6: Final answer
    x = 8,049.62

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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.