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Finding the Fourth Proportional to 8,773.85, 13,162.94 and 6,181.85

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Solution

The fourth proportional to 8,773.85, 13,162.94 and 6,181.85 is: 9,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.85 : 13,162.94 = 6,181.85 : x
  2. Step 2: Convert to fraction form
    8,773.85/13,162.94 = 6,181.85/x
  3. Step 3: Cross multiply
    8,773.85x = 13,162.94 × 6,181.85
  4. Step 4: Simplify right side
    8,773.85x = 81,371,320.64
  5. Step 5: Solve for x
    x = 81,371,320.64/8,773.85
  6. Step 6: Final answer
    x = 9,274.30

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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.