Home / 7,865.16-11,799.09-2,601.42

Finding the Fourth Proportional to 7,865.16, 11,799.09 and 2,601.42

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Solution

The fourth proportional to 7,865.16, 11,799.09 and 2,601.42 is: 3,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.16 : 11,799.09 = 2,601.42 : x
  2. Step 2: Convert to fraction form
    7,865.16/11,799.09 = 2,601.42/x
  3. Step 3: Cross multiply
    7,865.16x = 11,799.09 × 2,601.42
  4. Step 4: Simplify right side
    7,865.16x = 30,694,388.71
  5. Step 5: Solve for x
    x = 30,694,388.71/7,865.16
  6. Step 6: Final answer
    x = 3,902.58

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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.