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Finding the Fourth Proportional to 6,873.95, 9,479.78 and 5,813.94

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Solution

The fourth proportional to 6,873.95, 9,479.78 and 5,813.94 is: 8,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.95 : 9,479.78 = 5,813.94 : x
  2. Step 2: Convert to fraction form
    6,873.95/9,479.78 = 5,813.94/x
  3. Step 3: Cross multiply
    6,873.95x = 9,479.78 × 5,813.94
  4. Step 4: Simplify right side
    6,873.95x = 55,114,824.73
  5. Step 5: Solve for x
    x = 55,114,824.73/6,873.95
  6. Step 6: Final answer
    x = 8,017.93

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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.