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Finding the Fourth Proportional to 10,793.64, 16,190.43 and 3,398.74

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Solution

The fourth proportional to 10,793.64, 16,190.43 and 3,398.74 is: 5,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.64 : 16,190.43 = 3,398.74 : x
  2. Step 2: Convert to fraction form
    10,793.64/16,190.43 = 3,398.74/x
  3. Step 3: Cross multiply
    10,793.64x = 16,190.43 × 3,398.74
  4. Step 4: Simplify right side
    10,793.64x = 55,027,062.06
  5. Step 5: Solve for x
    x = 55,027,062.06/10,793.64
  6. Step 6: Final answer
    x = 5,098.10

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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.