Home / 11,706.20-17,559.30-7,769.60

Finding the Fourth Proportional to 11,706.20, 17,559.30 and 7,769.60

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Solution

The fourth proportional to 11,706.20, 17,559.30 and 7,769.60 is: 11,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.20 : 17,559.30 = 7,769.60 : x
  2. Step 2: Convert to fraction form
    11,706.20/17,559.30 = 7,769.60/x
  3. Step 3: Cross multiply
    11,706.20x = 17,559.30 × 7,769.60
  4. Step 4: Simplify right side
    11,706.20x = 136,428,737.28
  5. Step 5: Solve for x
    x = 136,428,737.28/11,706.20
  6. Step 6: Final answer
    x = 11,654.40

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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.