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Finding the Fourth Proportional to 7,953.68, 11,912.35 and 3,796.62

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Solution

The fourth proportional to 7,953.68, 11,912.35 and 3,796.62 is: 5,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.68 : 11,912.35 = 3,796.62 : x
  2. Step 2: Convert to fraction form
    7,953.68/11,912.35 = 3,796.62/x
  3. Step 3: Cross multiply
    7,953.68x = 11,912.35 × 3,796.62
  4. Step 4: Simplify right side
    7,953.68x = 45,226,616.19
  5. Step 5: Solve for x
    x = 45,226,616.19/7,953.68
  6. Step 6: Final answer
    x = 5,686.25

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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.