Home / 11,823.39-16,315.83-6,517.89

Finding the Fourth Proportional to 11,823.39, 16,315.83 and 6,517.89

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Solution

The fourth proportional to 11,823.39, 16,315.83 and 6,517.89 is: 8,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.39 : 16,315.83 = 6,517.89 : x
  2. Step 2: Convert to fraction form
    11,823.39/16,315.83 = 6,517.89/x
  3. Step 3: Cross multiply
    11,823.39x = 16,315.83 × 6,517.89
  4. Step 4: Simplify right side
    11,823.39x = 106,344,785.20
  5. Step 5: Solve for x
    x = 106,344,785.20/11,823.39
  6. Step 6: Final answer
    x = 8,994.44

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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.