Home / 10,821.44-16,233.52-3,423.23

Finding the Fourth Proportional to 10,821.44, 16,233.52 and 3,423.23

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Solution

The fourth proportional to 10,821.44, 16,233.52 and 3,423.23 is: 5,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.44 : 16,233.52 = 3,423.23 : x
  2. Step 2: Convert to fraction form
    10,821.44/16,233.52 = 3,423.23/x
  3. Step 3: Cross multiply
    10,821.44x = 16,233.52 × 3,423.23
  4. Step 4: Simplify right side
    10,821.44x = 55,570,991.50
  5. Step 5: Solve for x
    x = 55,570,991.50/10,821.44
  6. Step 6: Final answer
    x = 5,135.27

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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.