Home / 11,286.81-16,925.90-6,664.41

Finding the Fourth Proportional to 11,286.81, 16,925.90 and 6,664.41

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Solution

The fourth proportional to 11,286.81, 16,925.90 and 6,664.41 is: 9,994.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.81 : 16,925.90 = 6,664.41 : x
  2. Step 2: Convert to fraction form
    11,286.81/16,925.90 = 6,664.41/x
  3. Step 3: Cross multiply
    11,286.81x = 16,925.90 × 6,664.41
  4. Step 4: Simplify right side
    11,286.81x = 112,801,103.90
  5. Step 5: Solve for x
    x = 112,801,103.90/11,286.81
  6. Step 6: Final answer
    x = 9,994.06

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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.