Home / 8,263.92-12,397.68-3,333.72

Finding the Fourth Proportional to 8,263.92, 12,397.68 and 3,333.72

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Solution

The fourth proportional to 8,263.92, 12,397.68 and 3,333.72 is: 5,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.92 : 12,397.68 = 3,333.72 : x
  2. Step 2: Convert to fraction form
    8,263.92/12,397.68 = 3,333.72/x
  3. Step 3: Cross multiply
    8,263.92x = 12,397.68 × 3,333.72
  4. Step 4: Simplify right side
    8,263.92x = 41,330,393.77
  5. Step 5: Solve for x
    x = 41,330,393.77/8,263.92
  6. Step 6: Final answer
    x = 5,001.31

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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.