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Finding the Fourth Proportional to 11,668.71, 16,104.04 and 7,192.35

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Solution

The fourth proportional to 11,668.71, 16,104.04 and 7,192.35 is: 9,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.71 : 16,104.04 = 7,192.35 : x
  2. Step 2: Convert to fraction form
    11,668.71/16,104.04 = 7,192.35/x
  3. Step 3: Cross multiply
    11,668.71x = 16,104.04 × 7,192.35
  4. Step 4: Simplify right side
    11,668.71x = 115,825,828.82
  5. Step 5: Solve for x
    x = 115,825,828.82/11,668.71
  6. Step 6: Final answer
    x = 9,926.19

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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.