Home / 10,372.12-15,556.32-3,351.85

Finding the Fourth Proportional to 10,372.12, 15,556.32 and 3,351.85

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Solution

The fourth proportional to 10,372.12, 15,556.32 and 3,351.85 is: 5,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.12 : 15,556.32 = 3,351.85 : x
  2. Step 2: Convert to fraction form
    10,372.12/15,556.32 = 3,351.85/x
  3. Step 3: Cross multiply
    10,372.12x = 15,556.32 × 3,351.85
  4. Step 4: Simplify right side
    10,372.12x = 52,142,412.30
  5. Step 5: Solve for x
    x = 52,142,412.30/10,372.12
  6. Step 6: Final answer
    x = 5,027.17

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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.