Home / 8,167.40-11,272.26-5,025.80

Finding the Fourth Proportional to 8,167.40, 11,272.26 and 5,025.80

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Solution

The fourth proportional to 8,167.40, 11,272.26 and 5,025.80 is: 6,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.40 : 11,272.26 = 5,025.80 : x
  2. Step 2: Convert to fraction form
    8,167.40/11,272.26 = 5,025.80/x
  3. Step 3: Cross multiply
    8,167.40x = 11,272.26 × 5,025.80
  4. Step 4: Simplify right side
    8,167.40x = 56,652,124.31
  5. Step 5: Solve for x
    x = 56,652,124.31/8,167.40
  6. Step 6: Final answer
    x = 6,936.37

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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.