Home / 11,078.92-16,621.20-3,683.42

Finding the Fourth Proportional to 11,078.92, 16,621.20 and 3,683.42

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Solution

The fourth proportional to 11,078.92, 16,621.20 and 3,683.42 is: 5,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.92 : 16,621.20 = 3,683.42 : x
  2. Step 2: Convert to fraction form
    11,078.92/16,621.20 = 3,683.42/x
  3. Step 3: Cross multiply
    11,078.92x = 16,621.20 × 3,683.42
  4. Step 4: Simplify right side
    11,078.92x = 61,222,860.50
  5. Step 5: Solve for x
    x = 61,222,860.50/11,078.92
  6. Step 6: Final answer
    x = 5,526.07

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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.