Home / 11,823.05-16,315.80-6,517.95

Finding the Fourth Proportional to 11,823.05, 16,315.80 and 6,517.95

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Solution

The fourth proportional to 11,823.05, 16,315.80 and 6,517.95 is: 8,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.05 : 16,315.80 = 6,517.95 : x
  2. Step 2: Convert to fraction form
    11,823.05/16,315.80 = 6,517.95/x
  3. Step 3: Cross multiply
    11,823.05x = 16,315.80 × 6,517.95
  4. Step 4: Simplify right side
    11,823.05x = 106,345,568.61
  5. Step 5: Solve for x
    x = 106,345,568.61/11,823.05
  6. Step 6: Final answer
    x = 8,994.77

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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.