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Finding the Fourth Proportional to 12,197.25, 16,832.21 and 6,608.25

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Solution

The fourth proportional to 12,197.25, 16,832.21 and 6,608.25 is: 9,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.25 : 16,832.21 = 6,608.25 : x
  2. Step 2: Convert to fraction form
    12,197.25/16,832.21 = 6,608.25/x
  3. Step 3: Cross multiply
    12,197.25x = 16,832.21 × 6,608.25
  4. Step 4: Simplify right side
    12,197.25x = 111,231,418.69
  5. Step 5: Solve for x
    x = 111,231,418.69/12,197.25
  6. Step 6: Final answer
    x = 9,119.39

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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.