Home / 11,869.24-16,378.92-6,563.76

Finding the Fourth Proportional to 11,869.24, 16,378.92 and 6,563.76

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Solution

The fourth proportional to 11,869.24, 16,378.92 and 6,563.76 is: 9,057.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.24 : 16,378.92 = 6,563.76 : x
  2. Step 2: Convert to fraction form
    11,869.24/16,378.92 = 6,563.76/x
  3. Step 3: Cross multiply
    11,869.24x = 16,378.92 × 6,563.76
  4. Step 4: Simplify right side
    11,869.24x = 107,507,299.94
  5. Step 5: Solve for x
    x = 107,507,299.94/11,869.24
  6. Step 6: Final answer
    x = 9,057.64

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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.