Home / 11,522.76-17,280.48-3,729.72

Finding the Fourth Proportional to 11,522.76, 17,280.48 and 3,729.72

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Solution

The fourth proportional to 11,522.76, 17,280.48 and 3,729.72 is: 5,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.76 : 17,280.48 = 3,729.72 : x
  2. Step 2: Convert to fraction form
    11,522.76/17,280.48 = 3,729.72/x
  3. Step 3: Cross multiply
    11,522.76x = 17,280.48 × 3,729.72
  4. Step 4: Simplify right side
    11,522.76x = 64,451,351.87
  5. Step 5: Solve for x
    x = 64,451,351.87/11,522.76
  6. Step 6: Final answer
    x = 5,593.40

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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.