Home / 11,780.22-17,655.04-5,452.71

Finding the Fourth Proportional to 11,780.22, 17,655.04 and 5,452.71

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Solution

The fourth proportional to 11,780.22, 17,655.04 and 5,452.71 is: 8,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.22 : 17,655.04 = 5,452.71 : x
  2. Step 2: Convert to fraction form
    11,780.22/17,655.04 = 5,452.71/x
  3. Step 3: Cross multiply
    11,780.22x = 17,655.04 × 5,452.71
  4. Step 4: Simplify right side
    11,780.22x = 96,267,813.16
  5. Step 5: Solve for x
    x = 96,267,813.16/11,780.22
  6. Step 6: Final answer
    x = 8,171.99

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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.