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Finding the Fourth Proportional to 8,794.96, 12,138.20 and 5,017.26

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Solution

The fourth proportional to 8,794.96, 12,138.20 and 5,017.26 is: 6,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.96 : 12,138.20 = 5,017.26 : x
  2. Step 2: Convert to fraction form
    8,794.96/12,138.20 = 5,017.26/x
  3. Step 3: Cross multiply
    8,794.96x = 12,138.20 × 5,017.26
  4. Step 4: Simplify right side
    8,794.96x = 60,900,453.54
  5. Step 5: Solve for x
    x = 60,900,453.54/8,794.96
  6. Step 6: Final answer
    x = 6,924.47

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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.