Home / 8,167.20-11,270.52-4,630.56

Finding the Fourth Proportional to 8,167.20, 11,270.52 and 4,630.56

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Solution

The fourth proportional to 8,167.20, 11,270.52 and 4,630.56 is: 6,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.20 : 11,270.52 = 4,630.56 : x
  2. Step 2: Convert to fraction form
    8,167.20/11,270.52 = 4,630.56/x
  3. Step 3: Cross multiply
    8,167.20x = 11,270.52 × 4,630.56
  4. Step 4: Simplify right side
    8,167.20x = 52,188,819.09
  5. Step 5: Solve for x
    x = 52,188,819.09/8,167.20
  6. Step 6: Final answer
    x = 6,390.05

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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.