Home / 11,786.56-17,679.62-3,466.40

Finding the Fourth Proportional to 11,786.56, 17,679.62 and 3,466.40

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Solution

The fourth proportional to 11,786.56, 17,679.62 and 3,466.40 is: 5,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.56 : 17,679.62 = 3,466.40 : x
  2. Step 2: Convert to fraction form
    11,786.56/17,679.62 = 3,466.40/x
  3. Step 3: Cross multiply
    11,786.56x = 17,679.62 × 3,466.40
  4. Step 4: Simplify right side
    11,786.56x = 61,284,535.54
  5. Step 5: Solve for x
    x = 61,284,535.54/11,786.56
  6. Step 6: Final answer
    x = 5,199.53

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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.