Home / 11,109.82-15,331.56-6,073.96

Finding the Fourth Proportional to 11,109.82, 15,331.56 and 6,073.96

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Solution

The fourth proportional to 11,109.82, 15,331.56 and 6,073.96 is: 8,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.82 : 15,331.56 = 6,073.96 : x
  2. Step 2: Convert to fraction form
    11,109.82/15,331.56 = 6,073.96/x
  3. Step 3: Cross multiply
    11,109.82x = 15,331.56 × 6,073.96
  4. Step 4: Simplify right side
    11,109.82x = 93,123,282.18
  5. Step 5: Solve for x
    x = 93,123,282.18/11,109.82
  6. Step 6: Final answer
    x = 8,382.07

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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.