Home / 10,226.10-15,351.30-5,787.30

Finding the Fourth Proportional to 10,226.10, 15,351.30 and 5,787.30

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Solution

The fourth proportional to 10,226.10, 15,351.30 and 5,787.30 is: 8,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.10 : 15,351.30 = 5,787.30 : x
  2. Step 2: Convert to fraction form
    10,226.10/15,351.30 = 5,787.30/x
  3. Step 3: Cross multiply
    10,226.10x = 15,351.30 × 5,787.30
  4. Step 4: Simplify right side
    10,226.10x = 88,842,578.49
  5. Step 5: Solve for x
    x = 88,842,578.49/10,226.10
  6. Step 6: Final answer
    x = 8,687.83

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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.