Home / 11,220.14-16,831.67-3,822.62

Finding the Fourth Proportional to 11,220.14, 16,831.67 and 3,822.62

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Solution

The fourth proportional to 11,220.14, 16,831.67 and 3,822.62 is: 5,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.14 : 16,831.67 = 3,822.62 : x
  2. Step 2: Convert to fraction form
    11,220.14/16,831.67 = 3,822.62/x
  3. Step 3: Cross multiply
    11,220.14x = 16,831.67 × 3,822.62
  4. Step 4: Simplify right side
    11,220.14x = 64,340,975.10
  5. Step 5: Solve for x
    x = 64,340,975.10/11,220.14
  6. Step 6: Final answer
    x = 5,734.42

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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.