Home / 8,080.32-11,149.94-4,543.46

Finding the Fourth Proportional to 8,080.32, 11,149.94 and 4,543.46

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Solution

The fourth proportional to 8,080.32, 11,149.94 and 4,543.46 is: 6,269.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.32 : 11,149.94 = 4,543.46 : x
  2. Step 2: Convert to fraction form
    8,080.32/11,149.94 = 4,543.46/x
  3. Step 3: Cross multiply
    8,080.32x = 11,149.94 × 4,543.46
  4. Step 4: Simplify right side
    8,080.32x = 50,659,227.93
  5. Step 5: Solve for x
    x = 50,659,227.93/8,080.32
  6. Step 6: Final answer
    x = 6,269.46

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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.