Home / 10,476.20-15,716.73-3,456.24

Finding the Fourth Proportional to 10,476.20, 15,716.73 and 3,456.24

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Solution

The fourth proportional to 10,476.20, 15,716.73 and 3,456.24 is: 5,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.20 : 15,716.73 = 3,456.24 : x
  2. Step 2: Convert to fraction form
    10,476.20/15,716.73 = 3,456.24/x
  3. Step 3: Cross multiply
    10,476.20x = 15,716.73 × 3,456.24
  4. Step 4: Simplify right side
    10,476.20x = 54,320,744.92
  5. Step 5: Solve for x
    x = 54,320,744.92/10,476.20
  6. Step 6: Final answer
    x = 5,185.16

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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.