Home / 12,571.20-18,843.03-6,321.24

Finding the Fourth Proportional to 12,571.20, 18,843.03 and 6,321.24

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Solution

The fourth proportional to 12,571.20, 18,843.03 and 6,321.24 is: 9,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.20 : 18,843.03 = 6,321.24 : x
  2. Step 2: Convert to fraction form
    12,571.20/18,843.03 = 6,321.24/x
  3. Step 3: Cross multiply
    12,571.20x = 18,843.03 × 6,321.24
  4. Step 4: Simplify right side
    12,571.20x = 119,111,314.96
  5. Step 5: Solve for x
    x = 119,111,314.96/12,571.20
  6. Step 6: Final answer
    x = 9,474.94

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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.