Home / 12,234.09-16,880.14-7,198.53

Finding the Fourth Proportional to 12,234.09, 16,880.14 and 7,198.53

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Solution

The fourth proportional to 12,234.09, 16,880.14 and 7,198.53 is: 9,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.09 : 16,880.14 = 7,198.53 : x
  2. Step 2: Convert to fraction form
    12,234.09/16,880.14 = 7,198.53/x
  3. Step 3: Cross multiply
    12,234.09x = 16,880.14 × 7,198.53
  4. Step 4: Simplify right side
    12,234.09x = 121,512,194.19
  5. Step 5: Solve for x
    x = 121,512,194.19/12,234.09
  6. Step 6: Final answer
    x = 9,932.26

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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.