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Finding the Fourth Proportional to 11,959.79, 16,504.22 and 6,654.49

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Solution

The fourth proportional to 11,959.79, 16,504.22 and 6,654.49 is: 9,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.79 : 16,504.22 = 6,654.49 : x
  2. Step 2: Convert to fraction form
    11,959.79/16,504.22 = 6,654.49/x
  3. Step 3: Cross multiply
    11,959.79x = 16,504.22 × 6,654.49
  4. Step 4: Simplify right side
    11,959.79x = 109,827,142.32
  5. Step 5: Solve for x
    x = 109,827,142.32/11,959.79
  6. Step 6: Final answer
    x = 9,183.04

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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.