Home / 11,010.78-16,516.20-4,854.78

Finding the Fourth Proportional to 11,010.78, 16,516.20 and 4,854.78

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Solution

The fourth proportional to 11,010.78, 16,516.20 and 4,854.78 is: 7,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.78 : 16,516.20 = 4,854.78 : x
  2. Step 2: Convert to fraction form
    11,010.78/16,516.20 = 4,854.78/x
  3. Step 3: Cross multiply
    11,010.78x = 16,516.20 × 4,854.78
  4. Step 4: Simplify right side
    11,010.78x = 80,182,517.44
  5. Step 5: Solve for x
    x = 80,182,517.44/11,010.78
  6. Step 6: Final answer
    x = 7,282.18

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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.