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Finding the Fourth Proportional to 8,050.56, 11,157.12 and 7,927.68

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Solution

The fourth proportional to 8,050.56, 11,157.12 and 7,927.68 is: 10,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,050.56 : 11,157.12 = 7,927.68 : x
  2. Step 2: Convert to fraction form
    8,050.56/11,157.12 = 7,927.68/x
  3. Step 3: Cross multiply
    8,050.56x = 11,157.12 × 7,927.68
  4. Step 4: Simplify right side
    8,050.56x = 88,450,077.08
  5. Step 5: Solve for x
    x = 88,450,077.08/8,050.56
  6. Step 6: Final answer
    x = 10,986.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.