Home / 10,134.09-15,203.48-3,208.59

Finding the Fourth Proportional to 10,134.09, 15,203.48 and 3,208.59

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Solution

The fourth proportional to 10,134.09, 15,203.48 and 3,208.59 is: 4,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.09 : 15,203.48 = 3,208.59 : x
  2. Step 2: Convert to fraction form
    10,134.09/15,203.48 = 3,208.59/x
  3. Step 3: Cross multiply
    10,134.09x = 15,203.48 × 3,208.59
  4. Step 4: Simplify right side
    10,134.09x = 48,781,717.85
  5. Step 5: Solve for x
    x = 48,781,717.85/10,134.09
  6. Step 6: Final answer
    x = 4,813.63

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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.