Home / 7,991.73-11,032.56-6,195.15

Finding the Fourth Proportional to 7,991.73, 11,032.56 and 6,195.15

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Solution

The fourth proportional to 7,991.73, 11,032.56 and 6,195.15 is: 8,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.73 : 11,032.56 = 6,195.15 : x
  2. Step 2: Convert to fraction form
    7,991.73/11,032.56 = 6,195.15/x
  3. Step 3: Cross multiply
    7,991.73x = 11,032.56 × 6,195.15
  4. Step 4: Simplify right side
    7,991.73x = 68,348,364.08
  5. Step 5: Solve for x
    x = 68,348,364.08/7,991.73
  6. Step 6: Final answer
    x = 8,552.39

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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.