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Finding the Fourth Proportional to 7,866.03, 10,847.34 and 7,183.29

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Solution

The fourth proportional to 7,866.03, 10,847.34 and 7,183.29 is: 9,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.03 : 10,847.34 = 7,183.29 : x
  2. Step 2: Convert to fraction form
    7,866.03/10,847.34 = 7,183.29/x
  3. Step 3: Cross multiply
    7,866.03x = 10,847.34 × 7,183.29
  4. Step 4: Simplify right side
    7,866.03x = 77,919,588.95
  5. Step 5: Solve for x
    x = 77,919,588.95/7,866.03
  6. Step 6: Final answer
    x = 9,905.83

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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.