Home / 10,531.17-15,796.80-2,739.42

Finding the Fourth Proportional to 10,531.17, 15,796.80 and 2,739.42

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Solution

The fourth proportional to 10,531.17, 15,796.80 and 2,739.42 is: 4,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.17 : 15,796.80 = 2,739.42 : x
  2. Step 2: Convert to fraction form
    10,531.17/15,796.80 = 2,739.42/x
  3. Step 3: Cross multiply
    10,531.17x = 15,796.80 × 2,739.42
  4. Step 4: Simplify right side
    10,531.17x = 43,274,069.86
  5. Step 5: Solve for x
    x = 43,274,069.86/10,531.17
  6. Step 6: Final answer
    x = 4,109.14

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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.