Home / 12,493.53-17,246.66-8,247.11

Finding the Fourth Proportional to 12,493.53, 17,246.66 and 8,247.11

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Solution

The fourth proportional to 12,493.53, 17,246.66 and 8,247.11 is: 11,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.53 : 17,246.66 = 8,247.11 : x
  2. Step 2: Convert to fraction form
    12,493.53/17,246.66 = 8,247.11/x
  3. Step 3: Cross multiply
    12,493.53x = 17,246.66 × 8,247.11
  4. Step 4: Simplify right side
    12,493.53x = 142,234,974.68
  5. Step 5: Solve for x
    x = 142,234,974.68/12,493.53
  6. Step 6: Final answer
    x = 11,384.69

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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.