Home / 11,220.53-16,832.79-3,724.54

Finding the Fourth Proportional to 11,220.53, 16,832.79 and 3,724.54

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Solution

The fourth proportional to 11,220.53, 16,832.79 and 3,724.54 is: 5,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.53 : 16,832.79 = 3,724.54 : x
  2. Step 2: Convert to fraction form
    11,220.53/16,832.79 = 3,724.54/x
  3. Step 3: Cross multiply
    11,220.53x = 16,832.79 × 3,724.54
  4. Step 4: Simplify right side
    11,220.53x = 62,694,399.67
  5. Step 5: Solve for x
    x = 62,694,399.67/11,220.53
  6. Step 6: Final answer
    x = 5,587.47

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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.