Home / 7,908.49-11,863.41-2,065.11

Finding the Fourth Proportional to 7,908.49, 11,863.41 and 2,065.11

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Solution

The fourth proportional to 7,908.49, 11,863.41 and 2,065.11 is: 3,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.49 : 11,863.41 = 2,065.11 : x
  2. Step 2: Convert to fraction form
    7,908.49/11,863.41 = 2,065.11/x
  3. Step 3: Cross multiply
    7,908.49x = 11,863.41 × 2,065.11
  4. Step 4: Simplify right side
    7,908.49x = 24,499,246.63
  5. Step 5: Solve for x
    x = 24,499,246.63/7,908.49
  6. Step 6: Final answer
    x = 3,097.84

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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.