Home / 9,982.20-13,775.44-5,733.54

Finding the Fourth Proportional to 9,982.20, 13,775.44 and 5,733.54

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Solution

The fourth proportional to 9,982.20, 13,775.44 and 5,733.54 is: 7,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.20 : 13,775.44 = 5,733.54 : x
  2. Step 2: Convert to fraction form
    9,982.20/13,775.44 = 5,733.54/x
  3. Step 3: Cross multiply
    9,982.20x = 13,775.44 × 5,733.54
  4. Step 4: Simplify right side
    9,982.20x = 78,982,036.26
  5. Step 5: Solve for x
    x = 78,982,036.26/9,982.20
  6. Step 6: Final answer
    x = 7,912.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.