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Finding the Fourth Proportional to 12,793.14, 19,195.03 and 6,126.28

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Solution

The fourth proportional to 12,793.14, 19,195.03 and 6,126.28 is: 9,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.14 : 19,195.03 = 6,126.28 : x
  2. Step 2: Convert to fraction form
    12,793.14/19,195.03 = 6,126.28/x
  3. Step 3: Cross multiply
    12,793.14x = 19,195.03 × 6,126.28
  4. Step 4: Simplify right side
    12,793.14x = 117,594,161.57
  5. Step 5: Solve for x
    x = 117,594,161.57/12,793.14
  6. Step 6: Final answer
    x = 9,191.97

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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.