Home / 8,222.08-12,333.36-2,380

Finding the Fourth Proportional to 8,222.08, 12,333.36 and 2,380

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Solution

The fourth proportional to 8,222.08, 12,333.36 and 2,380 is: 3,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.08 : 12,333.36 = 2,380 : x
  2. Step 2: Convert to fraction form
    8,222.08/12,333.36 = 2,380/x
  3. Step 3: Cross multiply
    8,222.08x = 12,333.36 × 2,380
  4. Step 4: Simplify right side
    8,222.08x = 29,353,396.80
  5. Step 5: Solve for x
    x = 29,353,396.80/8,222.08
  6. Step 6: Final answer
    x = 3,570.07

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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.