Home / 10,367.62-15,541.35-5,157.70

Finding the Fourth Proportional to 10,367.62, 15,541.35 and 5,157.70

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Solution

The fourth proportional to 10,367.62, 15,541.35 and 5,157.70 is: 7,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.62 : 15,541.35 = 5,157.70 : x
  2. Step 2: Convert to fraction form
    10,367.62/15,541.35 = 5,157.70/x
  3. Step 3: Cross multiply
    10,367.62x = 15,541.35 × 5,157.70
  4. Step 4: Simplify right side
    10,367.62x = 80,157,620.90
  5. Step 5: Solve for x
    x = 80,157,620.90/10,367.62
  6. Step 6: Final answer
    x = 7,731.54

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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.