Home / 11,121.41-16,682.31-3,724.49

Finding the Fourth Proportional to 11,121.41, 16,682.31 and 3,724.49

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Solution

The fourth proportional to 11,121.41, 16,682.31 and 3,724.49 is: 5,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.41 : 16,682.31 = 3,724.49 : x
  2. Step 2: Convert to fraction form
    11,121.41/16,682.31 = 3,724.49/x
  3. Step 3: Cross multiply
    11,121.41x = 16,682.31 × 3,724.49
  4. Step 4: Simplify right side
    11,121.41x = 62,133,096.77
  5. Step 5: Solve for x
    x = 62,133,096.77/11,121.41
  6. Step 6: Final answer
    x = 5,586.80

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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.