Home / 6,706.20-9,251.52-5,131.56

Finding the Fourth Proportional to 6,706.20, 9,251.52 and 5,131.56

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Solution

The fourth proportional to 6,706.20, 9,251.52 and 5,131.56 is: 7,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,706.20 : 9,251.52 = 5,131.56 : x
  2. Step 2: Convert to fraction form
    6,706.20/9,251.52 = 5,131.56/x
  3. Step 3: Cross multiply
    6,706.20x = 9,251.52 × 5,131.56
  4. Step 4: Simplify right side
    6,706.20x = 47,474,729.97
  5. Step 5: Solve for x
    x = 47,474,729.97/6,706.20
  6. Step 6: Final answer
    x = 7,079.23

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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.