Home / 11,788.12-17,682.15-3,468.12

Finding the Fourth Proportional to 11,788.12, 17,682.15 and 3,468.12

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Solution

The fourth proportional to 11,788.12, 17,682.15 and 3,468.12 is: 5,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.12 : 17,682.15 = 3,468.12 : x
  2. Step 2: Convert to fraction form
    11,788.12/17,682.15 = 3,468.12/x
  3. Step 3: Cross multiply
    11,788.12x = 17,682.15 × 3,468.12
  4. Step 4: Simplify right side
    11,788.12x = 61,323,868.12
  5. Step 5: Solve for x
    x = 61,323,868.12/11,788.12
  6. Step 6: Final answer
    x = 5,202.18

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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.