Home / 10,223.11-15,334.64-3,203.66

Finding the Fourth Proportional to 10,223.11, 15,334.64 and 3,203.66

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Solution

The fourth proportional to 10,223.11, 15,334.64 and 3,203.66 is: 4,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.11 : 15,334.64 = 3,203.66 : x
  2. Step 2: Convert to fraction form
    10,223.11/15,334.64 = 3,203.66/x
  3. Step 3: Cross multiply
    10,223.11x = 15,334.64 × 3,203.66
  4. Step 4: Simplify right side
    10,223.11x = 49,126,888.10
  5. Step 5: Solve for x
    x = 49,126,888.10/10,223.11
  6. Step 6: Final answer
    x = 4,805.48

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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.