Home / 11,958.54-17,921.40-7,568.15

Finding the Fourth Proportional to 11,958.54, 17,921.40 and 7,568.15

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Solution

The fourth proportional to 11,958.54, 17,921.40 and 7,568.15 is: 11,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.54 : 17,921.40 = 7,568.15 : x
  2. Step 2: Convert to fraction form
    11,958.54/17,921.40 = 7,568.15/x
  3. Step 3: Cross multiply
    11,958.54x = 17,921.40 × 7,568.15
  4. Step 4: Simplify right side
    11,958.54x = 135,631,753.80
  5. Step 5: Solve for x
    x = 135,631,753.80/11,958.54
  6. Step 6: Final answer
    x = 11,341.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.