Home / 11,912.44-16,428.40-7,436.60

Finding the Fourth Proportional to 11,912.44, 16,428.40 and 7,436.60

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Solution

The fourth proportional to 11,912.44, 16,428.40 and 7,436.60 is: 10,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.44 : 16,428.40 = 7,436.60 : x
  2. Step 2: Convert to fraction form
    11,912.44/16,428.40 = 7,436.60/x
  3. Step 3: Cross multiply
    11,912.44x = 16,428.40 × 7,436.60
  4. Step 4: Simplify right side
    11,912.44x = 122,171,489.81
  5. Step 5: Solve for x
    x = 122,171,489.81/11,912.44
  6. Step 6: Final answer
    x = 10,255.79

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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.