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Finding the Fourth Proportional to 7,860.44, 11,796.13 and 5,080.22

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Solution

The fourth proportional to 7,860.44, 11,796.13 and 5,080.22 is: 7,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.44 : 11,796.13 = 5,080.22 : x
  2. Step 2: Convert to fraction form
    7,860.44/11,796.13 = 5,080.22/x
  3. Step 3: Cross multiply
    7,860.44x = 11,796.13 × 5,080.22
  4. Step 4: Simplify right side
    7,860.44x = 59,926,927.15
  5. Step 5: Solve for x
    x = 59,926,927.15/7,860.44
  6. Step 6: Final answer
    x = 7,623.86

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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.