Home / 10,473.35-15,708.17-3,453.21

Finding the Fourth Proportional to 10,473.35, 15,708.17 and 3,453.21

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Solution

The fourth proportional to 10,473.35, 15,708.17 and 3,453.21 is: 5,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.35 : 15,708.17 = 3,453.21 : x
  2. Step 2: Convert to fraction form
    10,473.35/15,708.17 = 3,453.21/x
  3. Step 3: Cross multiply
    10,473.35x = 15,708.17 × 3,453.21
  4. Step 4: Simplify right side
    10,473.35x = 54,243,618.36
  5. Step 5: Solve for x
    x = 54,243,618.36/10,473.35
  6. Step 6: Final answer
    x = 5,179.21

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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.