Home / 8,213.61-12,321.09-2,370.27

Finding the Fourth Proportional to 8,213.61, 12,321.09 and 2,370.27

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Solution

The fourth proportional to 8,213.61, 12,321.09 and 2,370.27 is: 3,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.61 : 12,321.09 = 2,370.27 : x
  2. Step 2: Convert to fraction form
    8,213.61/12,321.09 = 2,370.27/x
  3. Step 3: Cross multiply
    8,213.61x = 12,321.09 × 2,370.27
  4. Step 4: Simplify right side
    8,213.61x = 29,204,309.99
  5. Step 5: Solve for x
    x = 29,204,309.99/8,213.61
  6. Step 6: Final answer
    x = 3,555.60

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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.