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Finding the Fourth Proportional to 8,334.56, 11,500.11 and 5,150.62

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Solution

The fourth proportional to 8,334.56, 11,500.11 and 5,150.62 is: 7,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.56 : 11,500.11 = 5,150.62 : x
  2. Step 2: Convert to fraction form
    8,334.56/11,500.11 = 5,150.62/x
  3. Step 3: Cross multiply
    8,334.56x = 11,500.11 × 5,150.62
  4. Step 4: Simplify right side
    8,334.56x = 59,232,710.94
  5. Step 5: Solve for x
    x = 59,232,710.94/8,334.56
  6. Step 6: Final answer
    x = 7,106.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.