Home / 11,208.66-15,467.32-6,172.68

Finding the Fourth Proportional to 11,208.66, 15,467.32 and 6,172.68

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Solution

The fourth proportional to 11,208.66, 15,467.32 and 6,172.68 is: 8,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.66 : 15,467.32 = 6,172.68 : x
  2. Step 2: Convert to fraction form
    11,208.66/15,467.32 = 6,172.68/x
  3. Step 3: Cross multiply
    11,208.66x = 15,467.32 × 6,172.68
  4. Step 4: Simplify right side
    11,208.66x = 95,474,816.82
  5. Step 5: Solve for x
    x = 95,474,816.82/11,208.66
  6. Step 6: Final answer
    x = 8,517.95

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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.