Home / 10,722.17-16,084.28-3,324.65

Finding the Fourth Proportional to 10,722.17, 16,084.28 and 3,324.65

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Solution

The fourth proportional to 10,722.17, 16,084.28 and 3,324.65 is: 4,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.17 : 16,084.28 = 3,324.65 : x
  2. Step 2: Convert to fraction form
    10,722.17/16,084.28 = 3,324.65/x
  3. Step 3: Cross multiply
    10,722.17x = 16,084.28 × 3,324.65
  4. Step 4: Simplify right side
    10,722.17x = 53,474,529.39
  5. Step 5: Solve for x
    x = 53,474,529.39/10,722.17
  6. Step 6: Final answer
    x = 4,987.28

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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.