Home / 11,869.25-16,378.85-6,563.94

Finding the Fourth Proportional to 11,869.25, 16,378.85 and 6,563.94

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Solution

The fourth proportional to 11,869.25, 16,378.85 and 6,563.94 is: 9,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.25 : 16,378.85 = 6,563.94 : x
  2. Step 2: Convert to fraction form
    11,869.25/16,378.85 = 6,563.94/x
  3. Step 3: Cross multiply
    11,869.25x = 16,378.85 × 6,563.94
  4. Step 4: Simplify right side
    11,869.25x = 107,509,755.85
  5. Step 5: Solve for x
    x = 107,509,755.85/11,869.25
  6. Step 6: Final answer
    x = 9,057.84

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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.