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Finding the Fourth Proportional to 6,148.87, 8,482.94 and 4,286.95

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Solution

The fourth proportional to 6,148.87, 8,482.94 and 4,286.95 is: 5,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.87 : 8,482.94 = 4,286.95 : x
  2. Step 2: Convert to fraction form
    6,148.87/8,482.94 = 4,286.95/x
  3. Step 3: Cross multiply
    6,148.87x = 8,482.94 × 4,286.95
  4. Step 4: Simplify right side
    6,148.87x = 36,365,918.20
  5. Step 5: Solve for x
    x = 36,365,918.20/6,148.87
  6. Step 6: Final answer
    x = 5,914.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.