Home / 11,982.58-17,973.08-4,960.80

Finding the Fourth Proportional to 11,982.58, 17,973.08 and 4,960.80

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Solution

The fourth proportional to 11,982.58, 17,973.08 and 4,960.80 is: 7,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.58 : 17,973.08 = 4,960.80 : x
  2. Step 2: Convert to fraction form
    11,982.58/17,973.08 = 4,960.80/x
  3. Step 3: Cross multiply
    11,982.58x = 17,973.08 × 4,960.80
  4. Step 4: Simplify right side
    11,982.58x = 89,160,855.26
  5. Step 5: Solve for x
    x = 89,160,855.26/11,982.58
  6. Step 6: Final answer
    x = 7,440.87

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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.