Home / 11,426.40-17,141.10-3,106.68

Finding the Fourth Proportional to 11,426.40, 17,141.10 and 3,106.68

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Solution

The fourth proportional to 11,426.40, 17,141.10 and 3,106.68 is: 4,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.40 : 17,141.10 = 3,106.68 : x
  2. Step 2: Convert to fraction form
    11,426.40/17,141.10 = 3,106.68/x
  3. Step 3: Cross multiply
    11,426.40x = 17,141.10 × 3,106.68
  4. Step 4: Simplify right side
    11,426.40x = 53,251,912.55
  5. Step 5: Solve for x
    x = 53,251,912.55/11,426.40
  6. Step 6: Final answer
    x = 4,660.43

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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.