Home / 10,999.56-15,179.31-6,283.86

Finding the Fourth Proportional to 10,999.56, 15,179.31 and 6,283.86

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Solution

The fourth proportional to 10,999.56, 15,179.31 and 6,283.86 is: 8,671.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.56 : 15,179.31 = 6,283.86 : x
  2. Step 2: Convert to fraction form
    10,999.56/15,179.31 = 6,283.86/x
  3. Step 3: Cross multiply
    10,999.56x = 15,179.31 × 6,283.86
  4. Step 4: Simplify right side
    10,999.56x = 95,384,658.94
  5. Step 5: Solve for x
    x = 95,384,658.94/10,999.56
  6. Step 6: Final answer
    x = 8,671.68

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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.