Home / 11,421.96-17,132.76-3,524.46

Finding the Fourth Proportional to 11,421.96, 17,132.76 and 3,524.46

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Solution

The fourth proportional to 11,421.96, 17,132.76 and 3,524.46 is: 5,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.96 : 17,132.76 = 3,524.46 : x
  2. Step 2: Convert to fraction form
    11,421.96/17,132.76 = 3,524.46/x
  3. Step 3: Cross multiply
    11,421.96x = 17,132.76 × 3,524.46
  4. Step 4: Simplify right side
    11,421.96x = 60,383,727.31
  5. Step 5: Solve for x
    x = 60,383,727.31/11,421.96
  6. Step 6: Final answer
    x = 5,286.63

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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.