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Finding the Fourth Proportional to 12,171.64, 16,796.93 and 6,794.32

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Solution

The fourth proportional to 12,171.64, 16,796.93 and 6,794.32 is: 9,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.64 : 16,796.93 = 6,794.32 : x
  2. Step 2: Convert to fraction form
    12,171.64/16,796.93 = 6,794.32/x
  3. Step 3: Cross multiply
    12,171.64x = 16,796.93 × 6,794.32
  4. Step 4: Simplify right side
    12,171.64x = 114,123,599.48
  5. Step 5: Solve for x
    x = 114,123,599.48/12,171.64
  6. Step 6: Final answer
    x = 9,376.19

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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.