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Finding the Fourth Proportional to 11,503.86, 17,243.50 and 5,951.62

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Solution

The fourth proportional to 11,503.86, 17,243.50 and 5,951.62 is: 8,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.86 : 17,243.50 = 5,951.62 : x
  2. Step 2: Convert to fraction form
    11,503.86/17,243.50 = 5,951.62/x
  3. Step 3: Cross multiply
    11,503.86x = 17,243.50 × 5,951.62
  4. Step 4: Simplify right side
    11,503.86x = 102,626,759.47
  5. Step 5: Solve for x
    x = 102,626,759.47/11,503.86
  6. Step 6: Final answer
    x = 8,921.07

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1.5x scale

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.