Home / 8,079.57-11,150.22-4,722.18

Finding the Fourth Proportional to 8,079.57, 11,150.22 and 4,722.18

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Solution

The fourth proportional to 8,079.57, 11,150.22 and 4,722.18 is: 6,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.57 : 11,150.22 = 4,722.18 : x
  2. Step 2: Convert to fraction form
    8,079.57/11,150.22 = 4,722.18/x
  3. Step 3: Cross multiply
    8,079.57x = 11,150.22 × 4,722.18
  4. Step 4: Simplify right side
    8,079.57x = 52,653,345.88
  5. Step 5: Solve for x
    x = 52,653,345.88/8,079.57
  6. Step 6: Final answer
    x = 6,516.85

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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.