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Finding the Fourth Proportional to 11,884.56, 16,401.08 and 6,579.86

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Solution

The fourth proportional to 11,884.56, 16,401.08 and 6,579.86 is: 9,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.56 : 16,401.08 = 6,579.86 : x
  2. Step 2: Convert to fraction form
    11,884.56/16,401.08 = 6,579.86/x
  3. Step 3: Cross multiply
    11,884.56x = 16,401.08 × 6,579.86
  4. Step 4: Simplify right side
    11,884.56x = 107,916,810.25
  5. Step 5: Solve for x
    x = 107,916,810.25/11,884.56
  6. Step 6: Final answer
    x = 9,080.42

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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.