Home / 10,872.56-15,004.44-6,157.15

Finding the Fourth Proportional to 10,872.56, 15,004.44 and 6,157.15

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Solution

The fourth proportional to 10,872.56, 15,004.44 and 6,157.15 is: 8,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.56 : 15,004.44 = 6,157.15 : x
  2. Step 2: Convert to fraction form
    10,872.56/15,004.44 = 6,157.15/x
  3. Step 3: Cross multiply
    10,872.56x = 15,004.44 × 6,157.15
  4. Step 4: Simplify right side
    10,872.56x = 92,384,550.23
  5. Step 5: Solve for x
    x = 92,384,550.23/10,872.56
  6. Step 6: Final answer
    x = 8,497.04

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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.