Home / 11,722.80-17,583.20-4,325.84

Finding the Fourth Proportional to 11,722.80, 17,583.20 and 4,325.84

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Solution

The fourth proportional to 11,722.80, 17,583.20 and 4,325.84 is: 6,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.80 : 17,583.20 = 4,325.84 : x
  2. Step 2: Convert to fraction form
    11,722.80/17,583.20 = 4,325.84/x
  3. Step 3: Cross multiply
    11,722.80x = 17,583.20 × 4,325.84
  4. Step 4: Simplify right side
    11,722.80x = 76,062,109.89
  5. Step 5: Solve for x
    x = 76,062,109.89/11,722.80
  6. Step 6: Final answer
    x = 6,488.39

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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.