Home / 11,869.22-16,378.44-6,563.72

Finding the Fourth Proportional to 11,869.22, 16,378.44 and 6,563.72

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Solution

The fourth proportional to 11,869.22, 16,378.44 and 6,563.72 is: 9,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.22 : 16,378.44 = 6,563.72 : x
  2. Step 2: Convert to fraction form
    11,869.22/16,378.44 = 6,563.72/x
  3. Step 3: Cross multiply
    11,869.22x = 16,378.44 × 6,563.72
  4. Step 4: Simplify right side
    11,869.22x = 107,503,412.30
  5. Step 5: Solve for x
    x = 107,503,412.30/11,869.22
  6. Step 6: Final answer
    x = 9,057.33

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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.