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Finding the Fourth Proportional to 8,089.60, 12,134.16 and 6,252.16

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Solution

The fourth proportional to 8,089.60, 12,134.16 and 6,252.16 is: 9,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.60 : 12,134.16 = 6,252.16 : x
  2. Step 2: Convert to fraction form
    8,089.60/12,134.16 = 6,252.16/x
  3. Step 3: Cross multiply
    8,089.60x = 12,134.16 × 6,252.16
  4. Step 4: Simplify right side
    8,089.60x = 75,864,709.79
  5. Step 5: Solve for x
    x = 75,864,709.79/8,089.60
  6. Step 6: Final answer
    x = 9,378.05

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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.