Home / 10,530.56-15,796.76-2,739.38

Finding the Fourth Proportional to 10,530.56, 15,796.76 and 2,739.38

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Solution

The fourth proportional to 10,530.56, 15,796.76 and 2,739.38 is: 4,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.56 : 15,796.76 = 2,739.38 : x
  2. Step 2: Convert to fraction form
    10,530.56/15,796.76 = 2,739.38/x
  3. Step 3: Cross multiply
    10,530.56x = 15,796.76 × 2,739.38
  4. Step 4: Simplify right side
    10,530.56x = 43,273,235.73
  5. Step 5: Solve for x
    x = 43,273,235.73/10,530.56
  6. Step 6: Final answer
    x = 4,109.30

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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.