Home / 12,230.58-16,751.73-11,512.45

Finding the Fourth Proportional to 12,230.58, 16,751.73 and 11,512.45

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Solution

The fourth proportional to 12,230.58, 16,751.73 and 11,512.45 is: 15,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.58 : 16,751.73 = 11,512.45 : x
  2. Step 2: Convert to fraction form
    12,230.58/16,751.73 = 11,512.45/x
  3. Step 3: Cross multiply
    12,230.58x = 16,751.73 × 11,512.45
  4. Step 4: Simplify right side
    12,230.58x = 192,853,524.79
  5. Step 5: Solve for x
    x = 192,853,524.79/12,230.58
  6. Step 6: Final answer
    x = 15,768.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.