Home / 8,949.66-13,424.63-3,106.46

Finding the Fourth Proportional to 8,949.66, 13,424.63 and 3,106.46

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Solution

The fourth proportional to 8,949.66, 13,424.63 and 3,106.46 is: 4,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.66 : 13,424.63 = 3,106.46 : x
  2. Step 2: Convert to fraction form
    8,949.66/13,424.63 = 3,106.46/x
  3. Step 3: Cross multiply
    8,949.66x = 13,424.63 × 3,106.46
  4. Step 4: Simplify right side
    8,949.66x = 41,702,993.45
  5. Step 5: Solve for x
    x = 41,702,993.45/8,949.66
  6. Step 6: Final answer
    x = 4,659.73

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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.