Home / 11,907.24-16,432.92-6,603.09

Finding the Fourth Proportional to 11,907.24, 16,432.92 and 6,603.09

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Solution

The fourth proportional to 11,907.24, 16,432.92 and 6,603.09 is: 9,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.24 : 16,432.92 = 6,603.09 : x
  2. Step 2: Convert to fraction form
    11,907.24/16,432.92 = 6,603.09/x
  3. Step 3: Cross multiply
    11,907.24x = 16,432.92 × 6,603.09
  4. Step 4: Simplify right side
    11,907.24x = 108,508,049.72
  5. Step 5: Solve for x
    x = 108,508,049.72/11,907.24
  6. Step 6: Final answer
    x = 9,112.78

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1.5x scale

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.