Home / 10,222.56-15,333.82-3,203.11

Finding the Fourth Proportional to 10,222.56, 15,333.82 and 3,203.11

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Solution

The fourth proportional to 10,222.56, 15,333.82 and 3,203.11 is: 4,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.56 : 15,333.82 = 3,203.11 : x
  2. Step 2: Convert to fraction form
    10,222.56/15,333.82 = 3,203.11/x
  3. Step 3: Cross multiply
    10,222.56x = 15,333.82 × 3,203.11
  4. Step 4: Simplify right side
    10,222.56x = 49,115,946.07
  5. Step 5: Solve for x
    x = 49,115,946.07/10,222.56
  6. Step 6: Final answer
    x = 4,804.66

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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.