Home / 11,403.25-15,736.33-6,367.56

Finding the Fourth Proportional to 11,403.25, 15,736.33 and 6,367.56

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Solution

The fourth proportional to 11,403.25, 15,736.33 and 6,367.56 is: 8,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.25 : 15,736.33 = 6,367.56 : x
  2. Step 2: Convert to fraction form
    11,403.25/15,736.33 = 6,367.56/x
  3. Step 3: Cross multiply
    11,403.25x = 15,736.33 × 6,367.56
  4. Step 4: Simplify right side
    11,403.25x = 100,201,974.40
  5. Step 5: Solve for x
    x = 100,201,974.40/11,403.25
  6. Step 6: Final answer
    x = 8,787.14

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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.