Home / 11,072.32-15,385.59-10,932.59

Finding the Fourth Proportional to 11,072.32, 15,385.59 and 10,932.59

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Solution

The fourth proportional to 11,072.32, 15,385.59 and 10,932.59 is: 15,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.32 : 15,385.59 = 10,932.59 : x
  2. Step 2: Convert to fraction form
    11,072.32/15,385.59 = 10,932.59/x
  3. Step 3: Cross multiply
    11,072.32x = 15,385.59 × 10,932.59
  4. Step 4: Simplify right side
    11,072.32x = 168,204,385.84
  5. Step 5: Solve for x
    x = 168,204,385.84/11,072.32
  6. Step 6: Final answer
    x = 15,191.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.