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Finding the Fourth Proportional to 8,226.95, 12,337.92 and 6,911.10

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Solution

The fourth proportional to 8,226.95, 12,337.92 and 6,911.10 is: 10,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.95 : 12,337.92 = 6,911.10 : x
  2. Step 2: Convert to fraction form
    8,226.95/12,337.92 = 6,911.10/x
  3. Step 3: Cross multiply
    8,226.95x = 12,337.92 × 6,911.10
  4. Step 4: Simplify right side
    8,226.95x = 85,268,598.91
  5. Step 5: Solve for x
    x = 85,268,598.91/8,226.95
  6. Step 6: Final answer
    x = 10,364.55

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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.