Home / 8,245.92-11,379.66-4,709.08

Finding the Fourth Proportional to 8,245.92, 11,379.66 and 4,709.08

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Solution

The fourth proportional to 8,245.92, 11,379.66 and 4,709.08 is: 6,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.92 : 11,379.66 = 4,709.08 : x
  2. Step 2: Convert to fraction form
    8,245.92/11,379.66 = 4,709.08/x
  3. Step 3: Cross multiply
    8,245.92x = 11,379.66 × 4,709.08
  4. Step 4: Simplify right side
    8,245.92x = 53,587,729.31
  5. Step 5: Solve for x
    x = 53,587,729.31/8,245.92
  6. Step 6: Final answer
    x = 6,498.70

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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.