Home / 10,150.64-15,222.07-3,485.90

Finding the Fourth Proportional to 10,150.64, 15,222.07 and 3,485.90

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Solution

The fourth proportional to 10,150.64, 15,222.07 and 3,485.90 is: 5,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.64 : 15,222.07 = 3,485.90 : x
  2. Step 2: Convert to fraction form
    10,150.64/15,222.07 = 3,485.90/x
  3. Step 3: Cross multiply
    10,150.64x = 15,222.07 × 3,485.90
  4. Step 4: Simplify right side
    10,150.64x = 53,062,636.62
  5. Step 5: Solve for x
    x = 53,062,636.62/10,150.64
  6. Step 6: Final answer
    x = 5,227.51

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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.