Home / 11,728.58-17,593.79-3,408.74

Finding the Fourth Proportional to 11,728.58, 17,593.79 and 3,408.74

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Solution

The fourth proportional to 11,728.58, 17,593.79 and 3,408.74 is: 5,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.58 : 17,593.79 = 3,408.74 : x
  2. Step 2: Convert to fraction form
    11,728.58/17,593.79 = 3,408.74/x
  3. Step 3: Cross multiply
    11,728.58x = 17,593.79 × 3,408.74
  4. Step 4: Simplify right side
    11,728.58x = 59,972,550.71
  5. Step 5: Solve for x
    x = 59,972,550.71/11,728.58
  6. Step 6: Final answer
    x = 5,113.37

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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.