Home / 11,765.35-17,650.73-3,445.17

Finding the Fourth Proportional to 11,765.35, 17,650.73 and 3,445.17

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Solution

The fourth proportional to 11,765.35, 17,650.73 and 3,445.17 is: 5,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.35 : 17,650.73 = 3,445.17 : x
  2. Step 2: Convert to fraction form
    11,765.35/17,650.73 = 3,445.17/x
  3. Step 3: Cross multiply
    11,765.35x = 17,650.73 × 3,445.17
  4. Step 4: Simplify right side
    11,765.35x = 60,809,765.47
  5. Step 5: Solve for x
    x = 60,809,765.47/11,765.35
  6. Step 6: Final answer
    x = 5,168.55

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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.