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Finding the Fourth Proportional to 11,598.96, 15,999.48 and 7,399.92

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Solution

The fourth proportional to 11,598.96, 15,999.48 and 7,399.92 is: 10,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,598.96 : 15,999.48 = 7,399.92 : x
  2. Step 2: Convert to fraction form
    11,598.96/15,999.48 = 7,399.92/x
  3. Step 3: Cross multiply
    11,598.96x = 15,999.48 × 7,399.92
  4. Step 4: Simplify right side
    11,598.96x = 118,394,872.04
  5. Step 5: Solve for x
    x = 118,394,872.04/11,598.96
  6. Step 6: Final answer
    x = 10,207.37

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Similar ratio
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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.