Home / 7,913.94-11,872.91-2,983.62

Finding the Fourth Proportional to 7,913.94, 11,872.91 and 2,983.62

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Solution

The fourth proportional to 7,913.94, 11,872.91 and 2,983.62 is: 4,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.94 : 11,872.91 = 2,983.62 : x
  2. Step 2: Convert to fraction form
    7,913.94/11,872.91 = 2,983.62/x
  3. Step 3: Cross multiply
    7,913.94x = 11,872.91 × 2,983.62
  4. Step 4: Simplify right side
    7,913.94x = 35,424,251.73
  5. Step 5: Solve for x
    x = 35,424,251.73/7,913.94
  6. Step 6: Final answer
    x = 4,476.18

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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.