Home / 8,135.44-11,227.80-4,551.70

Finding the Fourth Proportional to 8,135.44, 11,227.80 and 4,551.70

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Solution

The fourth proportional to 8,135.44, 11,227.80 and 4,551.70 is: 6,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.44 : 11,227.80 = 4,551.70 : x
  2. Step 2: Convert to fraction form
    8,135.44/11,227.80 = 4,551.70/x
  3. Step 3: Cross multiply
    8,135.44x = 11,227.80 × 4,551.70
  4. Step 4: Simplify right side
    8,135.44x = 51,105,577.26
  5. Step 5: Solve for x
    x = 51,105,577.26/8,135.44
  6. Step 6: Final answer
    x = 6,281.85

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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.