Home / 8,207.91-11,326.79-4,671.05

Finding the Fourth Proportional to 8,207.91, 11,326.79 and 4,671.05

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Solution

The fourth proportional to 8,207.91, 11,326.79 and 4,671.05 is: 6,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.91 : 11,326.79 = 4,671.05 : x
  2. Step 2: Convert to fraction form
    8,207.91/11,326.79 = 4,671.05/x
  3. Step 3: Cross multiply
    8,207.91x = 11,326.79 × 4,671.05
  4. Step 4: Simplify right side
    8,207.91x = 52,907,922.44
  5. Step 5: Solve for x
    x = 52,907,922.44/8,207.91
  6. Step 6: Final answer
    x = 6,445.97

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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.