Home / 11,817.38-17,731.28-6,269.36

Finding the Fourth Proportional to 11,817.38, 17,731.28 and 6,269.36

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Solution

The fourth proportional to 11,817.38, 17,731.28 and 6,269.36 is: 9,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.38 : 17,731.28 = 6,269.36 : x
  2. Step 2: Convert to fraction form
    11,817.38/17,731.28 = 6,269.36/x
  3. Step 3: Cross multiply
    11,817.38x = 17,731.28 × 6,269.36
  4. Step 4: Simplify right side
    11,817.38x = 111,163,777.58
  5. Step 5: Solve for x
    x = 111,163,777.58/11,817.38
  6. Step 6: Final answer
    x = 9,406.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.