Home / 11,772.83-17,638.49-6,213.93

Finding the Fourth Proportional to 11,772.83, 17,638.49 and 6,213.93

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Solution

The fourth proportional to 11,772.83, 17,638.49 and 6,213.93 is: 9,309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.83 : 17,638.49 = 6,213.93 : x
  2. Step 2: Convert to fraction form
    11,772.83/17,638.49 = 6,213.93/x
  3. Step 3: Cross multiply
    11,772.83x = 17,638.49 × 6,213.93
  4. Step 4: Simplify right side
    11,772.83x = 109,604,357.70
  5. Step 5: Solve for x
    x = 109,604,357.70/11,772.83
  6. Step 6: Final answer
    x = 9,309.94

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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.