Home / 11,786.56-17,679.84-5,542.69

Finding the Fourth Proportional to 11,786.56, 17,679.84 and 5,542.69

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Solution

The fourth proportional to 11,786.56, 17,679.84 and 5,542.69 is: 8,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.56 : 17,679.84 = 5,542.69 : x
  2. Step 2: Convert to fraction form
    11,786.56/17,679.84 = 5,542.69/x
  3. Step 3: Cross multiply
    11,786.56x = 17,679.84 × 5,542.69
  4. Step 4: Simplify right side
    11,786.56x = 97,993,872.37
  5. Step 5: Solve for x
    x = 97,993,872.37/11,786.56
  6. Step 6: Final answer
    x = 8,314.04

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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.