Home / 8,223.63-12,335.57-2,380.26

Finding the Fourth Proportional to 8,223.63, 12,335.57 and 2,380.26

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Solution

The fourth proportional to 8,223.63, 12,335.57 and 2,380.26 is: 3,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.63 : 12,335.57 = 2,380.26 : x
  2. Step 2: Convert to fraction form
    8,223.63/12,335.57 = 2,380.26/x
  3. Step 3: Cross multiply
    8,223.63x = 12,335.57 × 2,380.26
  4. Step 4: Simplify right side
    8,223.63x = 29,361,863.85
  5. Step 5: Solve for x
    x = 29,361,863.85/8,223.63
  6. Step 6: Final answer
    x = 3,570.43

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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.