Home / 10,960.20-15,123.60-6,180.12

Finding the Fourth Proportional to 10,960.20, 15,123.60 and 6,180.12

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Solution

The fourth proportional to 10,960.20, 15,123.60 and 6,180.12 is: 8,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.20 : 15,123.60 = 6,180.12 : x
  2. Step 2: Convert to fraction form
    10,960.20/15,123.60 = 6,180.12/x
  3. Step 3: Cross multiply
    10,960.20x = 15,123.60 × 6,180.12
  4. Step 4: Simplify right side
    10,960.20x = 93,465,662.83
  5. Step 5: Solve for x
    x = 93,465,662.83/10,960.20
  6. Step 6: Final answer
    x = 8,527.73

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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.