Home / 11,823.15-16,315.68-6,517.97

Finding the Fourth Proportional to 11,823.15, 16,315.68 and 6,517.97

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Solution

The fourth proportional to 11,823.15, 16,315.68 and 6,517.97 is: 8,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.15 : 16,315.68 = 6,517.97 : x
  2. Step 2: Convert to fraction form
    11,823.15/16,315.68 = 6,517.97/x
  3. Step 3: Cross multiply
    11,823.15x = 16,315.68 × 6,517.97
  4. Step 4: Simplify right side
    11,823.15x = 106,345,031.19
  5. Step 5: Solve for x
    x = 106,345,031.19/11,823.15
  6. Step 6: Final answer
    x = 8,994.64

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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.