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Finding the Fourth Proportional to 7,797.01, 11,675.56 and 5,156.43

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Solution

The fourth proportional to 7,797.01, 11,675.56 and 5,156.43 is: 7,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.01 : 11,675.56 = 5,156.43 : x
  2. Step 2: Convert to fraction form
    7,797.01/11,675.56 = 5,156.43/x
  3. Step 3: Cross multiply
    7,797.01x = 11,675.56 × 5,156.43
  4. Step 4: Simplify right side
    7,797.01x = 60,204,160.84
  5. Step 5: Solve for x
    x = 60,204,160.84/7,797.01
  6. Step 6: Final answer
    x = 7,721.44

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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.