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Finding the Fourth Proportional to 8,358.59, 12,536.31 and 4,197.47

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Solution

The fourth proportional to 8,358.59, 12,536.31 and 4,197.47 is: 6,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.59 : 12,536.31 = 4,197.47 : x
  2. Step 2: Convert to fraction form
    8,358.59/12,536.31 = 4,197.47/x
  3. Step 3: Cross multiply
    8,358.59x = 12,536.31 × 4,197.47
  4. Step 4: Simplify right side
    8,358.59x = 52,620,785.14
  5. Step 5: Solve for x
    x = 52,620,785.14/8,358.59
  6. Step 6: Final answer
    x = 6,295.41

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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.