Home / 7,966.42-11,949.16-3,809.30

Finding the Fourth Proportional to 7,966.42, 11,949.16 and 3,809.30

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Solution

The fourth proportional to 7,966.42, 11,949.16 and 3,809.30 is: 5,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.42 : 11,949.16 = 3,809.30 : x
  2. Step 2: Convert to fraction form
    7,966.42/11,949.16 = 3,809.30/x
  3. Step 3: Cross multiply
    7,966.42x = 11,949.16 × 3,809.30
  4. Step 4: Simplify right side
    7,966.42x = 45,517,935.19
  5. Step 5: Solve for x
    x = 45,517,935.19/7,966.42
  6. Step 6: Final answer
    x = 5,713.73

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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.