Home / 11,072.40-16,610.76-3,281.28

Finding the Fourth Proportional to 11,072.40, 16,610.76 and 3,281.28

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Solution

The fourth proportional to 11,072.40, 16,610.76 and 3,281.28 is: 4,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.40 : 16,610.76 = 3,281.28 : x
  2. Step 2: Convert to fraction form
    11,072.40/16,610.76 = 3,281.28/x
  3. Step 3: Cross multiply
    11,072.40x = 16,610.76 × 3,281.28
  4. Step 4: Simplify right side
    11,072.40x = 54,504,554.57
  5. Step 5: Solve for x
    x = 54,504,554.57/11,072.40
  6. Step 6: Final answer
    x = 4,922.56

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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.