Home / 7,974.44-11,962.14-2,428.18

Finding the Fourth Proportional to 7,974.44, 11,962.14 and 2,428.18

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Solution

The fourth proportional to 7,974.44, 11,962.14 and 2,428.18 is: 3,642.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.44 : 11,962.14 = 2,428.18 : x
  2. Step 2: Convert to fraction form
    7,974.44/11,962.14 = 2,428.18/x
  3. Step 3: Cross multiply
    7,974.44x = 11,962.14 × 2,428.18
  4. Step 4: Simplify right side
    7,974.44x = 29,046,229.11
  5. Step 5: Solve for x
    x = 29,046,229.11/7,974.44
  6. Step 6: Final answer
    x = 3,642.42

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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.