Home / 11,860.83-17,792.06-3,540.11

Finding the Fourth Proportional to 11,860.83, 17,792.06 and 3,540.11

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Solution

The fourth proportional to 11,860.83, 17,792.06 and 3,540.11 is: 5,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.83 : 17,792.06 = 3,540.11 : x
  2. Step 2: Convert to fraction form
    11,860.83/17,792.06 = 3,540.11/x
  3. Step 3: Cross multiply
    11,860.83x = 17,792.06 × 3,540.11
  4. Step 4: Simplify right side
    11,860.83x = 62,985,742.87
  5. Step 5: Solve for x
    x = 62,985,742.87/11,860.83
  6. Step 6: Final answer
    x = 5,310.40

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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.