Home / 8,601.72-11,871.39-5,626.18

Finding the Fourth Proportional to 8,601.72, 11,871.39 and 5,626.18

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Solution

The fourth proportional to 8,601.72, 11,871.39 and 5,626.18 is: 7,764.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.72 : 11,871.39 = 5,626.18 : x
  2. Step 2: Convert to fraction form
    8,601.72/11,871.39 = 5,626.18/x
  3. Step 3: Cross multiply
    8,601.72x = 11,871.39 × 5,626.18
  4. Step 4: Simplify right side
    8,601.72x = 66,790,576.99
  5. Step 5: Solve for x
    x = 66,790,576.99/8,601.72
  6. Step 6: Final answer
    x = 7,764.79

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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.