Home / 8,091.92-11,167.90-4,555.82

Finding the Fourth Proportional to 8,091.92, 11,167.90 and 4,555.82

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Solution

The fourth proportional to 8,091.92, 11,167.90 and 4,555.82 is: 6,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.92 : 11,167.90 = 4,555.82 : x
  2. Step 2: Convert to fraction form
    8,091.92/11,167.90 = 4,555.82/x
  3. Step 3: Cross multiply
    8,091.92x = 11,167.90 × 4,555.82
  4. Step 4: Simplify right side
    8,091.92x = 50,878,958.71
  5. Step 5: Solve for x
    x = 50,878,958.71/8,091.92
  6. Step 6: Final answer
    x = 6,287.62

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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.