Home / 8,367.33-11,543.26-5,179.77

Finding the Fourth Proportional to 8,367.33, 11,543.26 and 5,179.77

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Solution

The fourth proportional to 8,367.33, 11,543.26 and 5,179.77 is: 7,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.33 : 11,543.26 = 5,179.77 : x
  2. Step 2: Convert to fraction form
    8,367.33/11,543.26 = 5,179.77/x
  3. Step 3: Cross multiply
    8,367.33x = 11,543.26 × 5,179.77
  4. Step 4: Simplify right side
    8,367.33x = 59,791,461.08
  5. Step 5: Solve for x
    x = 59,791,461.08/8,367.33
  6. Step 6: Final answer
    x = 7,145.83

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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.