Home / 8,223.14-12,334.91-3,225.30

Finding the Fourth Proportional to 8,223.14, 12,334.91 and 3,225.30

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Solution

The fourth proportional to 8,223.14, 12,334.91 and 3,225.30 is: 4,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.14 : 12,334.91 = 3,225.30 : x
  2. Step 2: Convert to fraction form
    8,223.14/12,334.91 = 3,225.30/x
  3. Step 3: Cross multiply
    8,223.14x = 12,334.91 × 3,225.30
  4. Step 4: Simplify right side
    8,223.14x = 39,783,785.22
  5. Step 5: Solve for x
    x = 39,783,785.22/8,223.14
  6. Step 6: Final answer
    x = 4,838.03

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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.