Home / 10,553.27-15,829.97-3,157.02

Finding the Fourth Proportional to 10,553.27, 15,829.97 and 3,157.02

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Solution

The fourth proportional to 10,553.27, 15,829.97 and 3,157.02 is: 4,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.27 : 15,829.97 = 3,157.02 : x
  2. Step 2: Convert to fraction form
    10,553.27/15,829.97 = 3,157.02/x
  3. Step 3: Cross multiply
    10,553.27x = 15,829.97 × 3,157.02
  4. Step 4: Simplify right side
    10,553.27x = 49,975,516.10
  5. Step 5: Solve for x
    x = 49,975,516.10/10,553.27
  6. Step 6: Final answer
    x = 4,735.55

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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.