Home / 11,679.89-17,522.80-3,359.73

Finding the Fourth Proportional to 11,679.89, 17,522.80 and 3,359.73

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Solution

The fourth proportional to 11,679.89, 17,522.80 and 3,359.73 is: 5,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.89 : 17,522.80 = 3,359.73 : x
  2. Step 2: Convert to fraction form
    11,679.89/17,522.80 = 3,359.73/x
  3. Step 3: Cross multiply
    11,679.89x = 17,522.80 × 3,359.73
  4. Step 4: Simplify right side
    11,679.89x = 58,871,868.44
  5. Step 5: Solve for x
    x = 58,871,868.44/11,679.89
  6. Step 6: Final answer
    x = 5,040.45

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1.5x scale

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.