Home / 8,433.16-12,650.35-3,239.03

Finding the Fourth Proportional to 8,433.16, 12,650.35 and 3,239.03

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Solution

The fourth proportional to 8,433.16, 12,650.35 and 3,239.03 is: 4,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.16 : 12,650.35 = 3,239.03 : x
  2. Step 2: Convert to fraction form
    8,433.16/12,650.35 = 3,239.03/x
  3. Step 3: Cross multiply
    8,433.16x = 12,650.35 × 3,239.03
  4. Step 4: Simplify right side
    8,433.16x = 40,974,863.16
  5. Step 5: Solve for x
    x = 40,974,863.16/8,433.16
  6. Step 6: Final answer
    x = 4,858.78

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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.