Home / 11,450.20-17,186.10-9,808.60

Finding the Fourth Proportional to 11,450.20, 17,186.10 and 9,808.60

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Solution

The fourth proportional to 11,450.20, 17,186.10 and 9,808.60 is: 14,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.20 : 17,186.10 = 9,808.60 : x
  2. Step 2: Convert to fraction form
    11,450.20/17,186.10 = 9,808.60/x
  3. Step 3: Cross multiply
    11,450.20x = 17,186.10 × 9,808.60
  4. Step 4: Simplify right side
    11,450.20x = 168,571,580.46
  5. Step 5: Solve for x
    x = 168,571,580.46/11,450.20
  6. Step 6: Final answer
    x = 14,722.15

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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.