Home / 10,157.54-15,238.61-3,583.78

Finding the Fourth Proportional to 10,157.54, 15,238.61 and 3,583.78

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Solution

The fourth proportional to 10,157.54, 15,238.61 and 3,583.78 is: 5,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.54 : 15,238.61 = 3,583.78 : x
  2. Step 2: Convert to fraction form
    10,157.54/15,238.61 = 3,583.78/x
  3. Step 3: Cross multiply
    10,157.54x = 15,238.61 × 3,583.78
  4. Step 4: Simplify right side
    10,157.54x = 54,611,825.75
  5. Step 5: Solve for x
    x = 54,611,825.75/10,157.54
  6. Step 6: Final answer
    x = 5,376.48

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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.