Home / 10,110.92-15,220.97-9,093.70

Finding the Fourth Proportional to 10,110.92, 15,220.97 and 9,093.70

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Solution

The fourth proportional to 10,110.92, 15,220.97 and 9,093.70 is: 13,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.92 : 15,220.97 = 9,093.70 : x
  2. Step 2: Convert to fraction form
    10,110.92/15,220.97 = 9,093.70/x
  3. Step 3: Cross multiply
    10,110.92x = 15,220.97 × 9,093.70
  4. Step 4: Simplify right side
    10,110.92x = 138,414,858.78
  5. Step 5: Solve for x
    x = 138,414,858.78/10,110.92
  6. Step 6: Final answer
    x = 13,689.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.