Home / 10,888.21-15,025.44-6,172.48

Finding the Fourth Proportional to 10,888.21, 15,025.44 and 6,172.48

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Solution

The fourth proportional to 10,888.21, 15,025.44 and 6,172.48 is: 8,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.21 : 15,025.44 = 6,172.48 : x
  2. Step 2: Convert to fraction form
    10,888.21/15,025.44 = 6,172.48/x
  3. Step 3: Cross multiply
    10,888.21x = 15,025.44 × 6,172.48
  4. Step 4: Simplify right side
    10,888.21x = 92,744,227.89
  5. Step 5: Solve for x
    x = 92,744,227.89/10,888.21
  6. Step 6: Final answer
    x = 8,517.86

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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.