Home / 8,080.61-11,149.92-4,543.11

Finding the Fourth Proportional to 8,080.61, 11,149.92 and 4,543.11

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Solution

The fourth proportional to 8,080.61, 11,149.92 and 4,543.11 is: 6,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.61 : 11,149.92 = 4,543.11 : x
  2. Step 2: Convert to fraction form
    8,080.61/11,149.92 = 4,543.11/x
  3. Step 3: Cross multiply
    8,080.61x = 11,149.92 × 4,543.11
  4. Step 4: Simplify right side
    8,080.61x = 50,655,313.05
  5. Step 5: Solve for x
    x = 50,655,313.05/8,080.61
  6. Step 6: Final answer
    x = 6,268.75

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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.