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Finding the Fourth Proportional to 12,171.04, 16,796.16 and 6,793.99

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Solution

The fourth proportional to 12,171.04, 16,796.16 and 6,793.99 is: 9,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.04 : 16,796.16 = 6,793.99 : x
  2. Step 2: Convert to fraction form
    12,171.04/16,796.16 = 6,793.99/x
  3. Step 3: Cross multiply
    12,171.04x = 16,796.16 × 6,793.99
  4. Step 4: Simplify right side
    12,171.04x = 114,112,943.08
  5. Step 5: Solve for x
    x = 114,112,943.08/12,171.04
  6. Step 6: Final answer
    x = 9,375.78

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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.