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Finding the Fourth Proportional to 7,753.78, 11,674.33 and 6,835.24

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Solution

The fourth proportional to 7,753.78, 11,674.33 and 6,835.24 is: 10,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.78 : 11,674.33 = 6,835.24 : x
  2. Step 2: Convert to fraction form
    7,753.78/11,674.33 = 6,835.24/x
  3. Step 3: Cross multiply
    7,753.78x = 11,674.33 × 6,835.24
  4. Step 4: Simplify right side
    7,753.78x = 79,796,847.39
  5. Step 5: Solve for x
    x = 79,796,847.39/7,753.78
  6. Step 6: Final answer
    x = 10,291.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.