Home / 10,091.46-15,134.91-3,427.49

Finding the Fourth Proportional to 10,091.46, 15,134.91 and 3,427.49

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Solution

The fourth proportional to 10,091.46, 15,134.91 and 3,427.49 is: 5,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.46 : 15,134.91 = 3,427.49 : x
  2. Step 2: Convert to fraction form
    10,091.46/15,134.91 = 3,427.49/x
  3. Step 3: Cross multiply
    10,091.46x = 15,134.91 × 3,427.49
  4. Step 4: Simplify right side
    10,091.46x = 51,874,752.68
  5. Step 5: Solve for x
    x = 51,874,752.68/10,091.46
  6. Step 6: Final answer
    x = 5,140.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.