Home / 8,080.28-11,150.66-4,543.49

Finding the Fourth Proportional to 8,080.28, 11,150.66 and 4,543.49

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Solution

The fourth proportional to 8,080.28, 11,150.66 and 4,543.49 is: 6,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.28 : 11,150.66 = 4,543.49 : x
  2. Step 2: Convert to fraction form
    8,080.28/11,150.66 = 4,543.49/x
  3. Step 3: Cross multiply
    8,080.28x = 11,150.66 × 4,543.49
  4. Step 4: Simplify right side
    8,080.28x = 50,662,833.73
  5. Step 5: Solve for x
    x = 50,662,833.73/8,080.28
  6. Step 6: Final answer
    x = 6,269.94

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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.