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Finding the Fourth Proportional to 8,178.87, 12,252.83 and 4,837.11

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Solution

The fourth proportional to 8,178.87, 12,252.83 and 4,837.11 is: 7,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.87 : 12,252.83 = 4,837.11 : x
  2. Step 2: Convert to fraction form
    8,178.87/12,252.83 = 4,837.11/x
  3. Step 3: Cross multiply
    8,178.87x = 12,252.83 × 4,837.11
  4. Step 4: Simplify right side
    8,178.87x = 59,268,262.34
  5. Step 5: Solve for x
    x = 59,268,262.34/8,178.87
  6. Step 6: Final answer
    x = 7,246.51

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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.