Home / 8,079-11,149.20-4,936.92

Finding the Fourth Proportional to 8,079, 11,149.20 and 4,936.92

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Solution

The fourth proportional to 8,079, 11,149.20 and 4,936.92 is: 6,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079 : 11,149.20 = 4,936.92 : x
  2. Step 2: Convert to fraction form
    8,079/11,149.20 = 4,936.92/x
  3. Step 3: Cross multiply
    8,079x = 11,149.20 × 4,936.92
  4. Step 4: Simplify right side
    8,079x = 55,042,708.46
  5. Step 5: Solve for x
    x = 55,042,708.46/8,079
  6. Step 6: Final answer
    x = 6,813.06

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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.