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Finding the Fourth Proportional to 8,073, 11,141.22 and 5,379.56

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Solution

The fourth proportional to 8,073, 11,141.22 and 5,379.56 is: 7,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073 : 11,141.22 = 5,379.56 : x
  2. Step 2: Convert to fraction form
    8,073/11,141.22 = 5,379.56/x
  3. Step 3: Cross multiply
    8,073x = 11,141.22 × 5,379.56
  4. Step 4: Simplify right side
    8,073x = 59,934,861.46
  5. Step 5: Solve for x
    x = 59,934,861.46/8,073
  6. Step 6: Final answer
    x = 7,424.11

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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.