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Finding the Fourth Proportional to 11,992.56, 16,548.96 and 6,956.96

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Solution

The fourth proportional to 11,992.56, 16,548.96 and 6,956.96 is: 9,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.56 : 16,548.96 = 6,956.96 : x
  2. Step 2: Convert to fraction form
    11,992.56/16,548.96 = 6,956.96/x
  3. Step 3: Cross multiply
    11,992.56x = 16,548.96 × 6,956.96
  4. Step 4: Simplify right side
    11,992.56x = 115,130,452.76
  5. Step 5: Solve for x
    x = 115,130,452.76/11,992.56
  6. Step 6: Final answer
    x = 9,600.16

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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.