Home / 7,421.06-11,131.59-2,226.94

Finding the Fourth Proportional to 7,421.06, 11,131.59 and 2,226.94

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Solution

The fourth proportional to 7,421.06, 11,131.59 and 2,226.94 is: 3,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.06 : 11,131.59 = 2,226.94 : x
  2. Step 2: Convert to fraction form
    7,421.06/11,131.59 = 2,226.94/x
  3. Step 3: Cross multiply
    7,421.06x = 11,131.59 × 2,226.94
  4. Step 4: Simplify right side
    7,421.06x = 24,789,383.03
  5. Step 5: Solve for x
    x = 24,789,383.03/7,421.06
  6. Step 6: Final answer
    x = 3,340.41

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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.