Home / 7,761.72-11,633.28-3,596.08

Finding the Fourth Proportional to 7,761.72, 11,633.28 and 3,596.08

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Solution

The fourth proportional to 7,761.72, 11,633.28 and 3,596.08 is: 5,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.72 : 11,633.28 = 3,596.08 : x
  2. Step 2: Convert to fraction form
    7,761.72/11,633.28 = 3,596.08/x
  3. Step 3: Cross multiply
    7,761.72x = 11,633.28 × 3,596.08
  4. Step 4: Simplify right side
    7,761.72x = 41,834,205.54
  5. Step 5: Solve for x
    x = 41,834,205.54/7,761.72
  6. Step 6: Final answer
    x = 5,389.81

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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.