Home / 10,523.63-15,786.30-3,503.39

Finding the Fourth Proportional to 10,523.63, 15,786.30 and 3,503.39

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Solution

The fourth proportional to 10,523.63, 15,786.30 and 3,503.39 is: 5,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.63 : 15,786.30 = 3,503.39 : x
  2. Step 2: Convert to fraction form
    10,523.63/15,786.30 = 3,503.39/x
  3. Step 3: Cross multiply
    10,523.63x = 15,786.30 × 3,503.39
  4. Step 4: Simplify right side
    10,523.63x = 55,305,565.56
  5. Step 5: Solve for x
    x = 55,305,565.56/10,523.63
  6. Step 6: Final answer
    x = 5,255.37

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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.