Home / 8,051.97-11,112.75-4,515.39

Finding the Fourth Proportional to 8,051.97, 11,112.75 and 4,515.39

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Solution

The fourth proportional to 8,051.97, 11,112.75 and 4,515.39 is: 6,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.97 : 11,112.75 = 4,515.39 : x
  2. Step 2: Convert to fraction form
    8,051.97/11,112.75 = 4,515.39/x
  3. Step 3: Cross multiply
    8,051.97x = 11,112.75 × 4,515.39
  4. Step 4: Simplify right side
    8,051.97x = 50,178,400.22
  5. Step 5: Solve for x
    x = 50,178,400.22/8,051.97
  6. Step 6: Final answer
    x = 6,231.82

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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.