Home / 10,221.48-14,107.03-6,243.57

Finding the Fourth Proportional to 10,221.48, 14,107.03 and 6,243.57

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Solution

The fourth proportional to 10,221.48, 14,107.03 and 6,243.57 is: 8,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.48 : 14,107.03 = 6,243.57 : x
  2. Step 2: Convert to fraction form
    10,221.48/14,107.03 = 6,243.57/x
  3. Step 3: Cross multiply
    10,221.48x = 14,107.03 × 6,243.57
  4. Step 4: Simplify right side
    10,221.48x = 88,078,229.30
  5. Step 5: Solve for x
    x = 88,078,229.30/10,221.48
  6. Step 6: Final answer
    x = 8,616.97

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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.