Home / 6,857.31-9,463.04-3,873.73

Finding the Fourth Proportional to 6,857.31, 9,463.04 and 3,873.73

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Solution

The fourth proportional to 6,857.31, 9,463.04 and 3,873.73 is: 5,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.31 : 9,463.04 = 3,873.73 : x
  2. Step 2: Convert to fraction form
    6,857.31/9,463.04 = 3,873.73/x
  3. Step 3: Cross multiply
    6,857.31x = 9,463.04 × 3,873.73
  4. Step 4: Simplify right side
    6,857.31x = 36,657,283.45
  5. Step 5: Solve for x
    x = 36,657,283.45/6,857.31
  6. Step 6: Final answer
    x = 5,345.72

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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.