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Finding the Fourth Proportional to 12,170.60, 16,795.08 and 6,793.19

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Solution

The fourth proportional to 12,170.60, 16,795.08 and 6,793.19 is: 9,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.60 : 16,795.08 = 6,793.19 : x
  2. Step 2: Convert to fraction form
    12,170.60/16,795.08 = 6,793.19/x
  3. Step 3: Cross multiply
    12,170.60x = 16,795.08 × 6,793.19
  4. Step 4: Simplify right side
    12,170.60x = 114,092,169.51
  5. Step 5: Solve for x
    x = 114,092,169.51/12,170.60
  6. Step 6: Final answer
    x = 9,374.41

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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.