Home / 8,453.28-11,668.60-6,363.44

Finding the Fourth Proportional to 8,453.28, 11,668.60 and 6,363.44

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Solution

The fourth proportional to 8,453.28, 11,668.60 and 6,363.44 is: 8,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.28 : 11,668.60 = 6,363.44 : x
  2. Step 2: Convert to fraction form
    8,453.28/11,668.60 = 6,363.44/x
  3. Step 3: Cross multiply
    8,453.28x = 11,668.60 × 6,363.44
  4. Step 4: Simplify right side
    8,453.28x = 74,252,435.98
  5. Step 5: Solve for x
    x = 74,252,435.98/8,453.28
  6. Step 6: Final answer
    x = 8,783.86

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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.