Home / 11,289.33-16,922.12-5,433.57

Finding the Fourth Proportional to 11,289.33, 16,922.12 and 5,433.57

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Solution

The fourth proportional to 11,289.33, 16,922.12 and 5,433.57 is: 8,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.33 : 16,922.12 = 5,433.57 : x
  2. Step 2: Convert to fraction form
    11,289.33/16,922.12 = 5,433.57/x
  3. Step 3: Cross multiply
    11,289.33x = 16,922.12 × 5,433.57
  4. Step 4: Simplify right side
    11,289.33x = 91,947,496.40
  5. Step 5: Solve for x
    x = 91,947,496.40/11,289.33
  6. Step 6: Final answer
    x = 8,144.64

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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.