Home / 10,315.44-15,474.60-3,743.46

Finding the Fourth Proportional to 10,315.44, 15,474.60 and 3,743.46

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Solution

The fourth proportional to 10,315.44, 15,474.60 and 3,743.46 is: 5,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.44 : 15,474.60 = 3,743.46 : x
  2. Step 2: Convert to fraction form
    10,315.44/15,474.60 = 3,743.46/x
  3. Step 3: Cross multiply
    10,315.44x = 15,474.60 × 3,743.46
  4. Step 4: Simplify right side
    10,315.44x = 57,928,546.12
  5. Step 5: Solve for x
    x = 57,928,546.12/10,315.44
  6. Step 6: Final answer
    x = 5,615.71

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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.