Home / 8,178.68-11,293.80-6,079.16

Finding the Fourth Proportional to 8,178.68, 11,293.80 and 6,079.16

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Solution

The fourth proportional to 8,178.68, 11,293.80 and 6,079.16 is: 8,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.68 : 11,293.80 = 6,079.16 : x
  2. Step 2: Convert to fraction form
    8,178.68/11,293.80 = 6,079.16/x
  3. Step 3: Cross multiply
    8,178.68x = 11,293.80 × 6,079.16
  4. Step 4: Simplify right side
    8,178.68x = 68,656,817.21
  5. Step 5: Solve for x
    x = 68,656,817.21/8,178.68
  6. Step 6: Final answer
    x = 8,394.61

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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.