Home / 11,222.82-16,836.70-3,432.24

Finding the Fourth Proportional to 11,222.82, 16,836.70 and 3,432.24

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Solution

The fourth proportional to 11,222.82, 16,836.70 and 3,432.24 is: 5,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.82 : 16,836.70 = 3,432.24 : x
  2. Step 2: Convert to fraction form
    11,222.82/16,836.70 = 3,432.24/x
  3. Step 3: Cross multiply
    11,222.82x = 16,836.70 × 3,432.24
  4. Step 4: Simplify right side
    11,222.82x = 57,787,595.21
  5. Step 5: Solve for x
    x = 57,787,595.21/11,222.82
  6. Step 6: Final answer
    x = 5,149.12

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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.