Home / 11,197.78-15,452.55-6,161.96

Finding the Fourth Proportional to 11,197.78, 15,452.55 and 6,161.96

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Solution

The fourth proportional to 11,197.78, 15,452.55 and 6,161.96 is: 8,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.78 : 15,452.55 = 6,161.96 : x
  2. Step 2: Convert to fraction form
    11,197.78/15,452.55 = 6,161.96/x
  3. Step 3: Cross multiply
    11,197.78x = 15,452.55 × 6,161.96
  4. Step 4: Simplify right side
    11,197.78x = 95,218,033.63
  5. Step 5: Solve for x
    x = 95,218,033.63/11,197.78
  6. Step 6: Final answer
    x = 8,503.30

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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.