Home / 10,507.54-15,761.26-3,112.04

Finding the Fourth Proportional to 10,507.54, 15,761.26 and 3,112.04

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Solution

The fourth proportional to 10,507.54, 15,761.26 and 3,112.04 is: 4,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.54 : 15,761.26 = 3,112.04 : x
  2. Step 2: Convert to fraction form
    10,507.54/15,761.26 = 3,112.04/x
  3. Step 3: Cross multiply
    10,507.54x = 15,761.26 × 3,112.04
  4. Step 4: Simplify right side
    10,507.54x = 49,049,671.57
  5. Step 5: Solve for x
    x = 49,049,671.57/10,507.54
  6. Step 6: Final answer
    x = 4,668.05

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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.