Home / 8,370.21-12,550.46-3,173.25

Finding the Fourth Proportional to 8,370.21, 12,550.46 and 3,173.25

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Solution

The fourth proportional to 8,370.21, 12,550.46 and 3,173.25 is: 4,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.21 : 12,550.46 = 3,173.25 : x
  2. Step 2: Convert to fraction form
    8,370.21/12,550.46 = 3,173.25/x
  3. Step 3: Cross multiply
    8,370.21x = 12,550.46 × 3,173.25
  4. Step 4: Simplify right side
    8,370.21x = 39,825,731.33
  5. Step 5: Solve for x
    x = 39,825,731.33/8,370.21
  6. Step 6: Final answer
    x = 4,758.03

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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.