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Finding the Fourth Proportional to 8,655.90, 12,974.58 and 6,183.22

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Solution

The fourth proportional to 8,655.90, 12,974.58 and 6,183.22 is: 9,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.90 : 12,974.58 = 6,183.22 : x
  2. Step 2: Convert to fraction form
    8,655.90/12,974.58 = 6,183.22/x
  3. Step 3: Cross multiply
    8,655.90x = 12,974.58 × 6,183.22
  4. Step 4: Simplify right side
    8,655.90x = 80,224,682.55
  5. Step 5: Solve for x
    x = 80,224,682.55/8,655.90
  6. Step 6: Final answer
    x = 9,268.21

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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.