Home / 11,222.28-16,833.43-3,431.03

Finding the Fourth Proportional to 11,222.28, 16,833.43 and 3,431.03

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Solution

The fourth proportional to 11,222.28, 16,833.43 and 3,431.03 is: 5,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.28 : 16,833.43 = 3,431.03 : x
  2. Step 2: Convert to fraction form
    11,222.28/16,833.43 = 3,431.03/x
  3. Step 3: Cross multiply
    11,222.28x = 16,833.43 × 3,431.03
  4. Step 4: Simplify right side
    11,222.28x = 57,756,003.33
  5. Step 5: Solve for x
    x = 57,756,003.33/11,222.28
  6. Step 6: Final answer
    x = 5,146.55

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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.