Home / 11,884.12-16,394.07-11,039.92

Finding the Fourth Proportional to 11,884.12, 16,394.07 and 11,039.92

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Solution

The fourth proportional to 11,884.12, 16,394.07 and 11,039.92 is: 15,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.12 : 16,394.07 = 11,039.92 : x
  2. Step 2: Convert to fraction form
    11,884.12/16,394.07 = 11,039.92/x
  3. Step 3: Cross multiply
    11,884.12x = 16,394.07 × 11,039.92
  4. Step 4: Simplify right side
    11,884.12x = 180,989,221.27
  5. Step 5: Solve for x
    x = 180,989,221.27/11,884.12
  6. Step 6: Final answer
    x = 15,229.50

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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.