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Finding the Fourth Proportional to 8,773.97, 12,110.96 and 6,984.72

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Solution

The fourth proportional to 8,773.97, 12,110.96 and 6,984.72 is: 9,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.97 : 12,110.96 = 6,984.72 : x
  2. Step 2: Convert to fraction form
    8,773.97/12,110.96 = 6,984.72/x
  3. Step 3: Cross multiply
    8,773.97x = 12,110.96 × 6,984.72
  4. Step 4: Simplify right side
    8,773.97x = 84,591,681.99
  5. Step 5: Solve for x
    x = 84,591,681.99/8,773.97
  6. Step 6: Final answer
    x = 9,641.21

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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.