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Finding the Fourth Proportional to 12,172.82, 16,796.81 and 6,794.60

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Solution

The fourth proportional to 12,172.82, 16,796.81 and 6,794.60 is: 9,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172.82 : 16,796.81 = 6,794.60 : x
  2. Step 2: Convert to fraction form
    12,172.82/16,796.81 = 6,794.60/x
  3. Step 3: Cross multiply
    12,172.82x = 16,796.81 × 6,794.60
  4. Step 4: Simplify right side
    12,172.82x = 114,127,538.23
  5. Step 5: Solve for x
    x = 114,127,538.23/12,172.82
  6. Step 6: Final answer
    x = 9,375.61

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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.