Home / 11,728.54-17,593.96-3,408.63

Finding the Fourth Proportional to 11,728.54, 17,593.96 and 3,408.63

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Solution

The fourth proportional to 11,728.54, 17,593.96 and 3,408.63 is: 5,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.54 : 17,593.96 = 3,408.63 : x
  2. Step 2: Convert to fraction form
    11,728.54/17,593.96 = 3,408.63/x
  3. Step 3: Cross multiply
    11,728.54x = 17,593.96 × 3,408.63
  4. Step 4: Simplify right side
    11,728.54x = 59,971,238.16
  5. Step 5: Solve for x
    x = 59,971,238.16/11,728.54
  6. Step 6: Final answer
    x = 5,113.28

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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.