Home / 11,103.08-15,322.43-6,625.96

Finding the Fourth Proportional to 11,103.08, 15,322.43 and 6,625.96

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Solution

The fourth proportional to 11,103.08, 15,322.43 and 6,625.96 is: 9,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.08 : 15,322.43 = 6,625.96 : x
  2. Step 2: Convert to fraction form
    11,103.08/15,322.43 = 6,625.96/x
  3. Step 3: Cross multiply
    11,103.08x = 15,322.43 × 6,625.96
  4. Step 4: Simplify right side
    11,103.08x = 101,525,786.54
  5. Step 5: Solve for x
    x = 101,525,786.54/11,103.08
  6. Step 6: Final answer
    x = 9,143.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.