Home / 8,079.97-11,150.16-4,543.18

Finding the Fourth Proportional to 8,079.97, 11,150.16 and 4,543.18

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Solution

The fourth proportional to 8,079.97, 11,150.16 and 4,543.18 is: 6,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.97 : 11,150.16 = 4,543.18 : x
  2. Step 2: Convert to fraction form
    8,079.97/11,150.16 = 4,543.18/x
  3. Step 3: Cross multiply
    8,079.97x = 11,150.16 × 4,543.18
  4. Step 4: Simplify right side
    8,079.97x = 50,657,183.91
  5. Step 5: Solve for x
    x = 50,657,183.91/8,079.97
  6. Step 6: Final answer
    x = 6,269.48

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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.