Home / 11,025.82-15,205.20-7,242.31

Finding the Fourth Proportional to 11,025.82, 15,205.20 and 7,242.31

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Solution

The fourth proportional to 11,025.82, 15,205.20 and 7,242.31 is: 9,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.82 : 15,205.20 = 7,242.31 : x
  2. Step 2: Convert to fraction form
    11,025.82/15,205.20 = 7,242.31/x
  3. Step 3: Cross multiply
    11,025.82x = 15,205.20 × 7,242.31
  4. Step 4: Simplify right side
    11,025.82x = 110,120,695.99
  5. Step 5: Solve for x
    x = 110,120,695.99/11,025.82
  6. Step 6: Final answer
    x = 9,987.53

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