Home / 10,473.64-15,712.76-3,453.37

Finding the Fourth Proportional to 10,473.64, 15,712.76 and 3,453.37

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Solution

The fourth proportional to 10,473.64, 15,712.76 and 3,453.37 is: 5,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.64 : 15,712.76 = 3,453.37 : x
  2. Step 2: Convert to fraction form
    10,473.64/15,712.76 = 3,453.37/x
  3. Step 3: Cross multiply
    10,473.64x = 15,712.76 × 3,453.37
  4. Step 4: Simplify right side
    10,473.64x = 54,261,974.00
  5. Step 5: Solve for x
    x = 54,261,974.00/10,473.64
  6. Step 6: Final answer
    x = 5,180.81

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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.