Home / 11,728.77-17,593.25-3,409.35

Finding the Fourth Proportional to 11,728.77, 17,593.25 and 3,409.35

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Solution

The fourth proportional to 11,728.77, 17,593.25 and 3,409.35 is: 5,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.77 : 17,593.25 = 3,409.35 : x
  2. Step 2: Convert to fraction form
    11,728.77/17,593.25 = 3,409.35/x
  3. Step 3: Cross multiply
    11,728.77x = 17,593.25 × 3,409.35
  4. Step 4: Simplify right side
    11,728.77x = 59,981,529.84
  5. Step 5: Solve for x
    x = 59,981,529.84/11,728.77
  6. Step 6: Final answer
    x = 5,114.05

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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.