Home / 7,867.35-11,799.31-2,601.12

Finding the Fourth Proportional to 7,867.35, 11,799.31 and 2,601.12

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Solution

The fourth proportional to 7,867.35, 11,799.31 and 2,601.12 is: 3,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.35 : 11,799.31 = 2,601.12 : x
  2. Step 2: Convert to fraction form
    7,867.35/11,799.31 = 2,601.12/x
  3. Step 3: Cross multiply
    7,867.35x = 11,799.31 × 2,601.12
  4. Step 4: Simplify right side
    7,867.35x = 30,691,371.61
  5. Step 5: Solve for x
    x = 30,691,371.61/7,867.35
  6. Step 6: Final answer
    x = 3,901.11

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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.