Home / 7,326.68-10,989.84-2,132.60

Finding the Fourth Proportional to 7,326.68, 10,989.84 and 2,132.60

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Solution

The fourth proportional to 7,326.68, 10,989.84 and 2,132.60 is: 3,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.68 : 10,989.84 = 2,132.60 : x
  2. Step 2: Convert to fraction form
    7,326.68/10,989.84 = 2,132.60/x
  3. Step 3: Cross multiply
    7,326.68x = 10,989.84 × 2,132.60
  4. Step 4: Simplify right side
    7,326.68x = 23,436,932.78
  5. Step 5: Solve for x
    x = 23,436,932.78/7,326.68
  6. Step 6: Final answer
    x = 3,198.85

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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.