Home / 8,511.48-11,736.16-5,992.79

Finding the Fourth Proportional to 8,511.48, 11,736.16 and 5,992.79

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Solution

The fourth proportional to 8,511.48, 11,736.16 and 5,992.79 is: 8,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.48 : 11,736.16 = 5,992.79 : x
  2. Step 2: Convert to fraction form
    8,511.48/11,736.16 = 5,992.79/x
  3. Step 3: Cross multiply
    8,511.48x = 11,736.16 × 5,992.79
  4. Step 4: Simplify right side
    8,511.48x = 70,332,268.62
  5. Step 5: Solve for x
    x = 70,332,268.62/8,511.48
  6. Step 6: Final answer
    x = 8,263.22

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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.