Home / 11,319.96-16,975.86-3,922.44

Finding the Fourth Proportional to 11,319.96, 16,975.86 and 3,922.44

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Solution

The fourth proportional to 11,319.96, 16,975.86 and 3,922.44 is: 5,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.96 : 16,975.86 = 3,922.44 : x
  2. Step 2: Convert to fraction form
    11,319.96/16,975.86 = 3,922.44/x
  3. Step 3: Cross multiply
    11,319.96x = 16,975.86 × 3,922.44
  4. Step 4: Simplify right side
    11,319.96x = 66,586,792.30
  5. Step 5: Solve for x
    x = 66,586,792.30/11,319.96
  6. Step 6: Final answer
    x = 5,882.25

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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.