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Finding the Fourth Proportional to 11,884.73, 16,400.03 and 6,579.63

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Solution

The fourth proportional to 11,884.73, 16,400.03 and 6,579.63 is: 9,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.73 : 16,400.03 = 6,579.63 : x
  2. Step 2: Convert to fraction form
    11,884.73/16,400.03 = 6,579.63/x
  3. Step 3: Cross multiply
    11,884.73x = 16,400.03 × 6,579.63
  4. Step 4: Simplify right side
    11,884.73x = 107,906,096.49
  5. Step 5: Solve for x
    x = 107,906,096.49/11,884.73
  6. Step 6: Final answer
    x = 9,079.39

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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.