Home / 8,265.42-12,399.93-3,335.22

Finding the Fourth Proportional to 8,265.42, 12,399.93 and 3,335.22

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Solution

The fourth proportional to 8,265.42, 12,399.93 and 3,335.22 is: 5,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.42 : 12,399.93 = 3,335.22 : x
  2. Step 2: Convert to fraction form
    8,265.42/12,399.93 = 3,335.22/x
  3. Step 3: Cross multiply
    8,265.42x = 12,399.93 × 3,335.22
  4. Step 4: Simplify right side
    8,265.42x = 41,356,494.53
  5. Step 5: Solve for x
    x = 41,356,494.53/8,265.42
  6. Step 6: Final answer
    x = 5,003.56

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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.