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Finding the Fourth Proportional to 8,376.82, 11,561.52 and 5,723.26

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Solution

The fourth proportional to 8,376.82, 11,561.52 and 5,723.26 is: 7,899.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.82 : 11,561.52 = 5,723.26 : x
  2. Step 2: Convert to fraction form
    8,376.82/11,561.52 = 5,723.26/x
  3. Step 3: Cross multiply
    8,376.82x = 11,561.52 × 5,723.26
  4. Step 4: Simplify right side
    8,376.82x = 66,169,584.96
  5. Step 5: Solve for x
    x = 66,169,584.96/8,376.82
  6. Step 6: Final answer
    x = 7,899.13

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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.