Home / 10,316.28-15,474.39-3,742.46

Finding the Fourth Proportional to 10,316.28, 15,474.39 and 3,742.46

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Solution

The fourth proportional to 10,316.28, 15,474.39 and 3,742.46 is: 5,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.28 : 15,474.39 = 3,742.46 : x
  2. Step 2: Convert to fraction form
    10,316.28/15,474.39 = 3,742.46/x
  3. Step 3: Cross multiply
    10,316.28x = 15,474.39 × 3,742.46
  4. Step 4: Simplify right side
    10,316.28x = 57,912,285.60
  5. Step 5: Solve for x
    x = 57,912,285.60/10,316.28
  6. Step 6: Final answer
    x = 5,613.68

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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.