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Finding the Fourth Proportional to 8,562.68, 11,771.09 and 7,363.25

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Solution

The fourth proportional to 8,562.68, 11,771.09 and 7,363.25 is: 10,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.68 : 11,771.09 = 7,363.25 : x
  2. Step 2: Convert to fraction form
    8,562.68/11,771.09 = 7,363.25/x
  3. Step 3: Cross multiply
    8,562.68x = 11,771.09 × 7,363.25
  4. Step 4: Simplify right side
    8,562.68x = 86,673,382.77
  5. Step 5: Solve for x
    x = 86,673,382.77/8,562.68
  6. Step 6: Final answer
    x = 10,122.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.