Home / 11,728.48-17,593.64-3,408.62

Finding the Fourth Proportional to 11,728.48, 17,593.64 and 3,408.62

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Solution

The fourth proportional to 11,728.48, 17,593.64 and 3,408.62 is: 5,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.48 : 17,593.64 = 3,408.62 : x
  2. Step 2: Convert to fraction form
    11,728.48/17,593.64 = 3,408.62/x
  3. Step 3: Cross multiply
    11,728.48x = 17,593.64 × 3,408.62
  4. Step 4: Simplify right side
    11,728.48x = 59,970,033.18
  5. Step 5: Solve for x
    x = 59,970,033.18/11,728.48
  6. Step 6: Final answer
    x = 5,113.20

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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.