Home / 10,620.70-15,932.58-3,601.33

Finding the Fourth Proportional to 10,620.70, 15,932.58 and 3,601.33

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Solution

The fourth proportional to 10,620.70, 15,932.58 and 3,601.33 is: 5,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.70 : 15,932.58 = 3,601.33 : x
  2. Step 2: Convert to fraction form
    10,620.70/15,932.58 = 3,601.33/x
  3. Step 3: Cross multiply
    10,620.70x = 15,932.58 × 3,601.33
  4. Step 4: Simplify right side
    10,620.70x = 57,378,478.33
  5. Step 5: Solve for x
    x = 57,378,478.33/10,620.70
  6. Step 6: Final answer
    x = 5,402.51

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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.