Home / 11,788.77-17,686.19-3,469.07

Finding the Fourth Proportional to 11,788.77, 17,686.19 and 3,469.07

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Solution

The fourth proportional to 11,788.77, 17,686.19 and 3,469.07 is: 5,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.77 : 17,686.19 = 3,469.07 : x
  2. Step 2: Convert to fraction form
    11,788.77/17,686.19 = 3,469.07/x
  3. Step 3: Cross multiply
    11,788.77x = 17,686.19 × 3,469.07
  4. Step 4: Simplify right side
    11,788.77x = 61,354,525.37
  5. Step 5: Solve for x
    x = 61,354,525.37/11,788.77
  6. Step 6: Final answer
    x = 5,204.49

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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.