Home / 10,481.73-15,708.70-7,695.38

Finding the Fourth Proportional to 10,481.73, 15,708.70 and 7,695.38

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Solution

The fourth proportional to 10,481.73, 15,708.70 and 7,695.38 is: 11,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.73 : 15,708.70 = 7,695.38 : x
  2. Step 2: Convert to fraction form
    10,481.73/15,708.70 = 7,695.38/x
  3. Step 3: Cross multiply
    10,481.73x = 15,708.70 × 7,695.38
  4. Step 4: Simplify right side
    10,481.73x = 120,884,415.81
  5. Step 5: Solve for x
    x = 120,884,415.81/10,481.73
  6. Step 6: Final answer
    x = 11,532.87

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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.