Home / 10,169.54-15,255.83-3,150.19

Finding the Fourth Proportional to 10,169.54, 15,255.83 and 3,150.19

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Solution

The fourth proportional to 10,169.54, 15,255.83 and 3,150.19 is: 4,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.54 : 15,255.83 = 3,150.19 : x
  2. Step 2: Convert to fraction form
    10,169.54/15,255.83 = 3,150.19/x
  3. Step 3: Cross multiply
    10,169.54x = 15,255.83 × 3,150.19
  4. Step 4: Simplify right side
    10,169.54x = 48,058,732.84
  5. Step 5: Solve for x
    x = 48,058,732.84/10,169.54
  6. Step 6: Final answer
    x = 4,725.75

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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.