Home / 11,822.87-16,315.61-6,517.57

Finding the Fourth Proportional to 11,822.87, 16,315.61 and 6,517.57

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Solution

The fourth proportional to 11,822.87, 16,315.61 and 6,517.57 is: 8,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.87 : 16,315.61 = 6,517.57 : x
  2. Step 2: Convert to fraction form
    11,822.87/16,315.61 = 6,517.57/x
  3. Step 3: Cross multiply
    11,822.87x = 16,315.61 × 6,517.57
  4. Step 4: Simplify right side
    11,822.87x = 106,338,130.27
  5. Step 5: Solve for x
    x = 106,338,130.27/11,822.87
  6. Step 6: Final answer
    x = 8,994.27

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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.