Home / 8,905.14-13,359.46-2,665.03

Finding the Fourth Proportional to 8,905.14, 13,359.46 and 2,665.03

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Solution

The fourth proportional to 8,905.14, 13,359.46 and 2,665.03 is: 3,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.14 : 13,359.46 = 2,665.03 : x
  2. Step 2: Convert to fraction form
    8,905.14/13,359.46 = 2,665.03/x
  3. Step 3: Cross multiply
    8,905.14x = 13,359.46 × 2,665.03
  4. Step 4: Simplify right side
    8,905.14x = 35,603,361.68
  5. Step 5: Solve for x
    x = 35,603,361.68/8,905.14
  6. Step 6: Final answer
    x = 3,998.07

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Why These Related Problems?

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