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Finding the Fourth Proportional to 8,504.69, 11,747.69 and 7,092.99

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Solution

The fourth proportional to 8,504.69, 11,747.69 and 7,092.99 is: 9,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.69 : 11,747.69 = 7,092.99 : x
  2. Step 2: Convert to fraction form
    8,504.69/11,747.69 = 7,092.99/x
  3. Step 3: Cross multiply
    8,504.69x = 11,747.69 × 7,092.99
  4. Step 4: Simplify right side
    8,504.69x = 83,326,212.23
  5. Step 5: Solve for x
    x = 83,326,212.23/8,504.69
  6. Step 6: Final answer
    x = 9,797.68

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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.