Home / 10,531.44-15,798.12-3,135.84

Finding the Fourth Proportional to 10,531.44, 15,798.12 and 3,135.84

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Solution

The fourth proportional to 10,531.44, 15,798.12 and 3,135.84 is: 4,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.44 : 15,798.12 = 3,135.84 : x
  2. Step 2: Convert to fraction form
    10,531.44/15,798.12 = 3,135.84/x
  3. Step 3: Cross multiply
    10,531.44x = 15,798.12 × 3,135.84
  4. Step 4: Simplify right side
    10,531.44x = 49,540,376.62
  5. Step 5: Solve for x
    x = 49,540,376.62/10,531.44
  6. Step 6: Final answer
    x = 4,704.05

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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.