Home / 10,319.42-15,469.62-3,744.02

Finding the Fourth Proportional to 10,319.42, 15,469.62 and 3,744.02

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Solution

The fourth proportional to 10,319.42, 15,469.62 and 3,744.02 is: 5,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.42 : 15,469.62 = 3,744.02 : x
  2. Step 2: Convert to fraction form
    10,319.42/15,469.62 = 3,744.02/x
  3. Step 3: Cross multiply
    10,319.42x = 15,469.62 × 3,744.02
  4. Step 4: Simplify right side
    10,319.42x = 57,918,566.67
  5. Step 5: Solve for x
    x = 57,918,566.67/10,319.42
  6. Step 6: Final answer
    x = 5,612.58

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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.