Home / 8,354.11-11,529.21-4,817.56

Finding the Fourth Proportional to 8,354.11, 11,529.21 and 4,817.56

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Solution

The fourth proportional to 8,354.11, 11,529.21 and 4,817.56 is: 6,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.11 : 11,529.21 = 4,817.56 : x
  2. Step 2: Convert to fraction form
    8,354.11/11,529.21 = 4,817.56/x
  3. Step 3: Cross multiply
    8,354.11x = 11,529.21 × 4,817.56
  4. Step 4: Simplify right side
    8,354.11x = 55,542,660.93
  5. Step 5: Solve for x
    x = 55,542,660.93/8,354.11
  6. Step 6: Final answer
    x = 6,648.54

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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.