Home / 12,395.21-18,593.84-3,962.90

Finding the Fourth Proportional to 12,395.21, 18,593.84 and 3,962.90

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Solution

The fourth proportional to 12,395.21, 18,593.84 and 3,962.90 is: 5,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.21 : 18,593.84 = 3,962.90 : x
  2. Step 2: Convert to fraction form
    12,395.21/18,593.84 = 3,962.90/x
  3. Step 3: Cross multiply
    12,395.21x = 18,593.84 × 3,962.90
  4. Step 4: Simplify right side
    12,395.21x = 73,685,584.93
  5. Step 5: Solve for x
    x = 73,685,584.93/12,395.21
  6. Step 6: Final answer
    x = 5,944.68

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1.5x scale

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.