Home / 11,822.99-16,315.83-6,517.98

Finding the Fourth Proportional to 11,822.99, 16,315.83 and 6,517.98

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Solution

The fourth proportional to 11,822.99, 16,315.83 and 6,517.98 is: 8,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.99 : 16,315.83 = 6,517.98 : x
  2. Step 2: Convert to fraction form
    11,822.99/16,315.83 = 6,517.98/x
  3. Step 3: Cross multiply
    11,822.99x = 16,315.83 × 6,517.98
  4. Step 4: Simplify right side
    11,822.99x = 106,346,253.62
  5. Step 5: Solve for x
    x = 106,346,253.62/11,822.99
  6. Step 6: Final answer
    x = 8,994.87

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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.