Home / 11,928.24-16,412.76-11,622.96

Finding the Fourth Proportional to 11,928.24, 16,412.76 and 11,622.96

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Solution

The fourth proportional to 11,928.24, 16,412.76 and 11,622.96 is: 15,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.24 : 16,412.76 = 11,622.96 : x
  2. Step 2: Convert to fraction form
    11,928.24/16,412.76 = 11,622.96/x
  3. Step 3: Cross multiply
    11,928.24x = 16,412.76 × 11,622.96
  4. Step 4: Simplify right side
    11,928.24x = 190,764,852.97
  5. Step 5: Solve for x
    x = 190,764,852.97/11,928.24
  6. Step 6: Final answer
    x = 15,992.71

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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.