Home / 8,918.24-13,374-3,983.04

Finding the Fourth Proportional to 8,918.24, 13,374 and 3,983.04

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Solution

The fourth proportional to 8,918.24, 13,374 and 3,983.04 is: 5,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.24 : 13,374 = 3,983.04 : x
  2. Step 2: Convert to fraction form
    8,918.24/13,374 = 3,983.04/x
  3. Step 3: Cross multiply
    8,918.24x = 13,374 × 3,983.04
  4. Step 4: Simplify right side
    8,918.24x = 53,269,176.96
  5. Step 5: Solve for x
    x = 53,269,176.96/8,918.24
  6. Step 6: Final answer
    x = 5,973.06

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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.