Home / 8,727.85-13,091.82-2,487.07

Finding the Fourth Proportional to 8,727.85, 13,091.82 and 2,487.07

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Solution

The fourth proportional to 8,727.85, 13,091.82 and 2,487.07 is: 3,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.85 : 13,091.82 = 2,487.07 : x
  2. Step 2: Convert to fraction form
    8,727.85/13,091.82 = 2,487.07/x
  3. Step 3: Cross multiply
    8,727.85x = 13,091.82 × 2,487.07
  4. Step 4: Simplify right side
    8,727.85x = 32,560,272.77
  5. Step 5: Solve for x
    x = 32,560,272.77/8,727.85
  6. Step 6: Final answer
    x = 3,730.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.