Home / 12,236.43-16,884.86-7,199.55

Finding the Fourth Proportional to 12,236.43, 16,884.86 and 7,199.55

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Solution

The fourth proportional to 12,236.43, 16,884.86 and 7,199.55 is: 9,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.43 : 16,884.86 = 7,199.55 : x
  2. Step 2: Convert to fraction form
    12,236.43/16,884.86 = 7,199.55/x
  3. Step 3: Cross multiply
    12,236.43x = 16,884.86 × 7,199.55
  4. Step 4: Simplify right side
    12,236.43x = 121,563,357.82
  5. Step 5: Solve for x
    x = 121,563,357.82/12,236.43
  6. Step 6: Final answer
    x = 9,934.54

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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.