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Finding the Fourth Proportional to 11,447.69, 15,797.54 and 6,668.48

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Solution

The fourth proportional to 11,447.69, 15,797.54 and 6,668.48 is: 9,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.69 : 15,797.54 = 6,668.48 : x
  2. Step 2: Convert to fraction form
    11,447.69/15,797.54 = 6,668.48/x
  3. Step 3: Cross multiply
    11,447.69x = 15,797.54 × 6,668.48
  4. Step 4: Simplify right side
    11,447.69x = 105,345,467.21
  5. Step 5: Solve for x
    x = 105,345,467.21/11,447.69
  6. Step 6: Final answer
    x = 9,202.34

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1.5x scale

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.