Home / 8,428.48-11,633.07-5,596.09

Finding the Fourth Proportional to 8,428.48, 11,633.07 and 5,596.09

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Solution

The fourth proportional to 8,428.48, 11,633.07 and 5,596.09 is: 7,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.48 : 11,633.07 = 5,596.09 : x
  2. Step 2: Convert to fraction form
    8,428.48/11,633.07 = 5,596.09/x
  3. Step 3: Cross multiply
    8,428.48x = 11,633.07 × 5,596.09
  4. Step 4: Simplify right side
    8,428.48x = 65,099,706.70
  5. Step 5: Solve for x
    x = 65,099,706.70/8,428.48
  6. Step 6: Final answer
    x = 7,723.78

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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.