Home / 8,051.88-11,112.12-4,515.32

Finding the Fourth Proportional to 8,051.88, 11,112.12 and 4,515.32

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Solution

The fourth proportional to 8,051.88, 11,112.12 and 4,515.32 is: 6,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.88 : 11,112.12 = 4,515.32 : x
  2. Step 2: Convert to fraction form
    8,051.88/11,112.12 = 4,515.32/x
  3. Step 3: Cross multiply
    8,051.88x = 11,112.12 × 4,515.32
  4. Step 4: Simplify right side
    8,051.88x = 50,174,777.68
  5. Step 5: Solve for x
    x = 50,174,777.68/8,051.88
  6. Step 6: Final answer
    x = 6,231.44

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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.