Home / 10,222.74-14,107.20-6,243.86

Finding the Fourth Proportional to 10,222.74, 14,107.20 and 6,243.86

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Solution

The fourth proportional to 10,222.74, 14,107.20 and 6,243.86 is: 8,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.74 : 14,107.20 = 6,243.86 : x
  2. Step 2: Convert to fraction form
    10,222.74/14,107.20 = 6,243.86/x
  3. Step 3: Cross multiply
    10,222.74x = 14,107.20 × 6,243.86
  4. Step 4: Simplify right side
    10,222.74x = 88,083,355.43
  5. Step 5: Solve for x
    x = 88,083,355.43/10,222.74
  6. Step 6: Final answer
    x = 8,616.41

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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.