Home / 10,959.44-15,123.11-6,180.55

Finding the Fourth Proportional to 10,959.44, 15,123.11 and 6,180.55

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Solution

The fourth proportional to 10,959.44, 15,123.11 and 6,180.55 is: 8,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.44 : 15,123.11 = 6,180.55 : x
  2. Step 2: Convert to fraction form
    10,959.44/15,123.11 = 6,180.55/x
  3. Step 3: Cross multiply
    10,959.44x = 15,123.11 × 6,180.55
  4. Step 4: Simplify right side
    10,959.44x = 93,469,153.87
  5. Step 5: Solve for x
    x = 93,469,153.87/10,959.44
  6. Step 6: Final answer
    x = 8,528.65

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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.