Home / 11,863.24-16,372.74-7,668.52

Finding the Fourth Proportional to 11,863.24, 16,372.74 and 7,668.52

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Solution

The fourth proportional to 11,863.24, 16,372.74 and 7,668.52 is: 10,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.24 : 16,372.74 = 7,668.52 : x
  2. Step 2: Convert to fraction form
    11,863.24/16,372.74 = 7,668.52/x
  3. Step 3: Cross multiply
    11,863.24x = 16,372.74 × 7,668.52
  4. Step 4: Simplify right side
    11,863.24x = 125,554,684.14
  5. Step 5: Solve for x
    x = 125,554,684.14/11,863.24
  6. Step 6: Final answer
    x = 10,583.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.