Home / 8,527.96-12,789.78-2,684.08

Finding the Fourth Proportional to 8,527.96, 12,789.78 and 2,684.08

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Solution

The fourth proportional to 8,527.96, 12,789.78 and 2,684.08 is: 4,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.96 : 12,789.78 = 2,684.08 : x
  2. Step 2: Convert to fraction form
    8,527.96/12,789.78 = 2,684.08/x
  3. Step 3: Cross multiply
    8,527.96x = 12,789.78 × 2,684.08
  4. Step 4: Simplify right side
    8,527.96x = 34,328,792.70
  5. Step 5: Solve for x
    x = 34,328,792.70/8,527.96
  6. Step 6: Final answer
    x = 4,025.44

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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.