Home / 8,079.42-11,146.92-6,584.76

Finding the Fourth Proportional to 8,079.42, 11,146.92 and 6,584.76

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Solution

The fourth proportional to 8,079.42, 11,146.92 and 6,584.76 is: 9,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.42 : 11,146.92 = 6,584.76 : x
  2. Step 2: Convert to fraction form
    8,079.42/11,146.92 = 6,584.76/x
  3. Step 3: Cross multiply
    8,079.42x = 11,146.92 × 6,584.76
  4. Step 4: Simplify right side
    8,079.42x = 73,399,792.94
  5. Step 5: Solve for x
    x = 73,399,792.94/8,079.42
  6. Step 6: Final answer
    x = 9,084.78

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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.