Home / 8,949.07-13,423.77-2,709.05

Finding the Fourth Proportional to 8,949.07, 13,423.77 and 2,709.05

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Solution

The fourth proportional to 8,949.07, 13,423.77 and 2,709.05 is: 4,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.07 : 13,423.77 = 2,709.05 : x
  2. Step 2: Convert to fraction form
    8,949.07/13,423.77 = 2,709.05/x
  3. Step 3: Cross multiply
    8,949.07x = 13,423.77 × 2,709.05
  4. Step 4: Simplify right side
    8,949.07x = 36,365,664.12
  5. Step 5: Solve for x
    x = 36,365,664.12/8,949.07
  6. Step 6: Final answer
    x = 4,063.62

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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.