Home / 12,561.44-18,855.36-5,993.12

Finding the Fourth Proportional to 12,561.44, 18,855.36 and 5,993.12

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Solution

The fourth proportional to 12,561.44, 18,855.36 and 5,993.12 is: 8,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.44 : 18,855.36 = 5,993.12 : x
  2. Step 2: Convert to fraction form
    12,561.44/18,855.36 = 5,993.12/x
  3. Step 3: Cross multiply
    12,561.44x = 18,855.36 × 5,993.12
  4. Step 4: Simplify right side
    12,561.44x = 113,002,435.12
  5. Step 5: Solve for x
    x = 113,002,435.12/12,561.44
  6. Step 6: Final answer
    x = 8,995.98

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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.