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Finding the Fourth Proportional to 12,173.09, 16,796.16 and 6,865.97

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Solution

The fourth proportional to 12,173.09, 16,796.16 and 6,865.97 is: 9,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.09 : 16,796.16 = 6,865.97 : x
  2. Step 2: Convert to fraction form
    12,173.09/16,796.16 = 6,865.97/x
  3. Step 3: Cross multiply
    12,173.09x = 16,796.16 × 6,865.97
  4. Step 4: Simplify right side
    12,173.09x = 115,321,846.69
  5. Step 5: Solve for x
    x = 115,321,846.69/12,173.09
  6. Step 6: Final answer
    x = 9,473.51

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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.