Home / 7,668.44-11,501.28-2,120.49

Finding the Fourth Proportional to 7,668.44, 11,501.28 and 2,120.49

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Solution

The fourth proportional to 7,668.44, 11,501.28 and 2,120.49 is: 3,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.44 : 11,501.28 = 2,120.49 : x
  2. Step 2: Convert to fraction form
    7,668.44/11,501.28 = 2,120.49/x
  3. Step 3: Cross multiply
    7,668.44x = 11,501.28 × 2,120.49
  4. Step 4: Simplify right side
    7,668.44x = 24,388,349.23
  5. Step 5: Solve for x
    x = 24,388,349.23/7,668.44
  6. Step 6: Final answer
    x = 3,180.36

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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.