Home / 7,668.48-11,503.20-3,286.08

Finding the Fourth Proportional to 7,668.48, 11,503.20 and 3,286.08

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Solution

The fourth proportional to 7,668.48, 11,503.20 and 3,286.08 is: 4,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.48 : 11,503.20 = 3,286.08 : x
  2. Step 2: Convert to fraction form
    7,668.48/11,503.20 = 3,286.08/x
  3. Step 3: Cross multiply
    7,668.48x = 11,503.20 × 3,286.08
  4. Step 4: Simplify right side
    7,668.48x = 37,800,435.46
  5. Step 5: Solve for x
    x = 37,800,435.46/7,668.48
  6. Step 6: Final answer
    x = 4,929.33

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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.