Home / 10,481.03-15,715.45-4,235.93

Finding the Fourth Proportional to 10,481.03, 15,715.45 and 4,235.93

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Solution

The fourth proportional to 10,481.03, 15,715.45 and 4,235.93 is: 6,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.03 : 15,715.45 = 4,235.93 : x
  2. Step 2: Convert to fraction form
    10,481.03/15,715.45 = 4,235.93/x
  3. Step 3: Cross multiply
    10,481.03x = 15,715.45 × 4,235.93
  4. Step 4: Simplify right side
    10,481.03x = 66,569,546.12
  5. Step 5: Solve for x
    x = 66,569,546.12/10,481.03
  6. Step 6: Final answer
    x = 6,351.43

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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.