Home / 10,581.30-15,850.41-6,872.28

Finding the Fourth Proportional to 10,581.30, 15,850.41 and 6,872.28

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Solution

The fourth proportional to 10,581.30, 15,850.41 and 6,872.28 is: 10,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.30 : 15,850.41 = 6,872.28 : x
  2. Step 2: Convert to fraction form
    10,581.30/15,850.41 = 6,872.28/x
  3. Step 3: Cross multiply
    10,581.30x = 15,850.41 × 6,872.28
  4. Step 4: Simplify right side
    10,581.30x = 108,928,455.63
  5. Step 5: Solve for x
    x = 108,928,455.63/10,581.30
  6. Step 6: Final answer
    x = 10,294.43

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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.