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Finding the Fourth Proportional to 6,793.10, 10,191.09 and 2,112.99

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Solution

The fourth proportional to 6,793.10, 10,191.09 and 2,112.99 is: 3,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.10 : 10,191.09 = 2,112.99 : x
  2. Step 2: Convert to fraction form
    6,793.10/10,191.09 = 2,112.99/x
  3. Step 3: Cross multiply
    6,793.10x = 10,191.09 × 2,112.99
  4. Step 4: Simplify right side
    6,793.10x = 21,533,671.26
  5. Step 5: Solve for x
    x = 21,533,671.26/6,793.10
  6. Step 6: Final answer
    x = 3,169.94

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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.