Home / 11,859.25-16,365.13-6,553.75

Finding the Fourth Proportional to 11,859.25, 16,365.13 and 6,553.75

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Solution

The fourth proportional to 11,859.25, 16,365.13 and 6,553.75 is: 9,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.25 : 16,365.13 = 6,553.75 : x
  2. Step 2: Convert to fraction form
    11,859.25/16,365.13 = 6,553.75/x
  3. Step 3: Cross multiply
    11,859.25x = 16,365.13 × 6,553.75
  4. Step 4: Simplify right side
    11,859.25x = 107,252,974.81
  5. Step 5: Solve for x
    x = 107,252,974.81/11,859.25
  6. Step 6: Final answer
    x = 9,043.82

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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.