Home / 10,960.21-15,121.46-6,179.56

Finding the Fourth Proportional to 10,960.21, 15,121.46 and 6,179.56

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Solution

The fourth proportional to 10,960.21, 15,121.46 and 6,179.56 is: 8,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.21 : 15,121.46 = 6,179.56 : x
  2. Step 2: Convert to fraction form
    10,960.21/15,121.46 = 6,179.56/x
  3. Step 3: Cross multiply
    10,960.21x = 15,121.46 × 6,179.56
  4. Step 4: Simplify right side
    10,960.21x = 93,443,947.00
  5. Step 5: Solve for x
    x = 93,443,947.00/10,960.21
  6. Step 6: Final answer
    x = 8,525.75

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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.