Home / 12,202.42-16,839.30-6,613.42

Finding the Fourth Proportional to 12,202.42, 16,839.30 and 6,613.42

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Solution

The fourth proportional to 12,202.42, 16,839.30 and 6,613.42 is: 9,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.42 : 16,839.30 = 6,613.42 : x
  2. Step 2: Convert to fraction form
    12,202.42/16,839.30 = 6,613.42/x
  3. Step 3: Cross multiply
    12,202.42x = 16,839.30 × 6,613.42
  4. Step 4: Simplify right side
    12,202.42x = 111,365,363.41
  5. Step 5: Solve for x
    x = 111,365,363.41/12,202.42
  6. Step 6: Final answer
    x = 9,126.50

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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.