Home / 11,907.15-16,431.84-6,601.83

Finding the Fourth Proportional to 11,907.15, 16,431.84 and 6,601.83

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Solution

The fourth proportional to 11,907.15, 16,431.84 and 6,601.83 is: 9,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.15 : 16,431.84 = 6,601.83 : x
  2. Step 2: Convert to fraction form
    11,907.15/16,431.84 = 6,601.83/x
  3. Step 3: Cross multiply
    11,907.15x = 16,431.84 × 6,601.83
  4. Step 4: Simplify right side
    11,907.15x = 108,480,214.27
  5. Step 5: Solve for x
    x = 108,480,214.27/11,907.15
  6. Step 6: Final answer
    x = 9,110.51

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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.