Home / 8,144.14-12,218.37-3,464.32

Finding the Fourth Proportional to 8,144.14, 12,218.37 and 3,464.32

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Solution

The fourth proportional to 8,144.14, 12,218.37 and 3,464.32 is: 5,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.14 : 12,218.37 = 3,464.32 : x
  2. Step 2: Convert to fraction form
    8,144.14/12,218.37 = 3,464.32/x
  3. Step 3: Cross multiply
    8,144.14x = 12,218.37 × 3,464.32
  4. Step 4: Simplify right side
    8,144.14x = 42,328,343.56
  5. Step 5: Solve for x
    x = 42,328,343.56/8,144.14
  6. Step 6: Final answer
    x = 5,197.40

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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.