Home / 8,245.83-11,379.26-4,890.29

Finding the Fourth Proportional to 8,245.83, 11,379.26 and 4,890.29

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Solution

The fourth proportional to 8,245.83, 11,379.26 and 4,890.29 is: 6,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.83 : 11,379.26 = 4,890.29 : x
  2. Step 2: Convert to fraction form
    8,245.83/11,379.26 = 4,890.29/x
  3. Step 3: Cross multiply
    8,245.83x = 11,379.26 × 4,890.29
  4. Step 4: Simplify right side
    8,245.83x = 55,647,856.93
  5. Step 5: Solve for x
    x = 55,647,856.93/8,245.83
  6. Step 6: Final answer
    x = 6,748.61

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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.