Home / 6,960.72-10,442.28-3,676.56

Finding the Fourth Proportional to 6,960.72, 10,442.28 and 3,676.56

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Solution

The fourth proportional to 6,960.72, 10,442.28 and 3,676.56 is: 5,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.72 : 10,442.28 = 3,676.56 : x
  2. Step 2: Convert to fraction form
    6,960.72/10,442.28 = 3,676.56/x
  3. Step 3: Cross multiply
    6,960.72x = 10,442.28 × 3,676.56
  4. Step 4: Simplify right side
    6,960.72x = 38,391,668.96
  5. Step 5: Solve for x
    x = 38,391,668.96/6,960.72
  6. Step 6: Final answer
    x = 5,515.47

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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.