Home / 11,160.03-16,744.40-4,915.65

Finding the Fourth Proportional to 11,160.03, 16,744.40 and 4,915.65

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Solution

The fourth proportional to 11,160.03, 16,744.40 and 4,915.65 is: 7,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.03 : 16,744.40 = 4,915.65 : x
  2. Step 2: Convert to fraction form
    11,160.03/16,744.40 = 4,915.65/x
  3. Step 3: Cross multiply
    11,160.03x = 16,744.40 × 4,915.65
  4. Step 4: Simplify right side
    11,160.03x = 82,309,540.92
  5. Step 5: Solve for x
    x = 82,309,540.92/11,160.03
  6. Step 6: Final answer
    x = 7,375.39

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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.