Home / 10,534.22-15,801.32-3,138.49

Finding the Fourth Proportional to 10,534.22, 15,801.32 and 3,138.49

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Solution

The fourth proportional to 10,534.22, 15,801.32 and 3,138.49 is: 4,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.22 : 15,801.32 = 3,138.49 : x
  2. Step 2: Convert to fraction form
    10,534.22/15,801.32 = 3,138.49/x
  3. Step 3: Cross multiply
    10,534.22x = 15,801.32 × 3,138.49
  4. Step 4: Simplify right side
    10,534.22x = 49,592,257.07
  5. Step 5: Solve for x
    x = 49,592,257.07/10,534.22
  6. Step 6: Final answer
    x = 4,707.73

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Similar ratio
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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.