Home / 10,620.45-15,932.21-3,601.08

Finding the Fourth Proportional to 10,620.45, 15,932.21 and 3,601.08

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Solution

The fourth proportional to 10,620.45, 15,932.21 and 3,601.08 is: 5,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.45 : 15,932.21 = 3,601.08 : x
  2. Step 2: Convert to fraction form
    10,620.45/15,932.21 = 3,601.08/x
  3. Step 3: Cross multiply
    10,620.45x = 15,932.21 × 3,601.08
  4. Step 4: Simplify right side
    10,620.45x = 57,373,144.78
  5. Step 5: Solve for x
    x = 57,373,144.78/10,620.45
  6. Step 6: Final answer
    x = 5,402.14

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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.