Home / 8,367.28-12,550.97-2,820.68

Finding the Fourth Proportional to 8,367.28, 12,550.97 and 2,820.68

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Solution

The fourth proportional to 8,367.28, 12,550.97 and 2,820.68 is: 4,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.28 : 12,550.97 = 2,820.68 : x
  2. Step 2: Convert to fraction form
    8,367.28/12,550.97 = 2,820.68/x
  3. Step 3: Cross multiply
    8,367.28x = 12,550.97 × 2,820.68
  4. Step 4: Simplify right side
    8,367.28x = 35,402,193.20
  5. Step 5: Solve for x
    x = 35,402,193.20/8,367.28
  6. Step 6: Final answer
    x = 4,231.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.