Home / 10,863.86-16,295.44-3,468.78

Finding the Fourth Proportional to 10,863.86, 16,295.44 and 3,468.78

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Solution

The fourth proportional to 10,863.86, 16,295.44 and 3,468.78 is: 5,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.86 : 16,295.44 = 3,468.78 : x
  2. Step 2: Convert to fraction form
    10,863.86/16,295.44 = 3,468.78/x
  3. Step 3: Cross multiply
    10,863.86x = 16,295.44 × 3,468.78
  4. Step 4: Simplify right side
    10,863.86x = 56,525,296.36
  5. Step 5: Solve for x
    x = 56,525,296.36/10,863.86
  6. Step 6: Final answer
    x = 5,203.06

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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.