Home / 10,319.07-15,469.97-4,161.63

Finding the Fourth Proportional to 10,319.07, 15,469.97 and 4,161.63

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Solution

The fourth proportional to 10,319.07, 15,469.97 and 4,161.63 is: 6,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.07 : 15,469.97 = 4,161.63 : x
  2. Step 2: Convert to fraction form
    10,319.07/15,469.97 = 4,161.63/x
  3. Step 3: Cross multiply
    10,319.07x = 15,469.97 × 4,161.63
  4. Step 4: Simplify right side
    10,319.07x = 64,380,270.44
  5. Step 5: Solve for x
    x = 64,380,270.44/10,319.07
  6. Step 6: Final answer
    x = 6,238.96

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1.5x scale

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.