Home / 6,787.45-9,367.12-3,803.48

Finding the Fourth Proportional to 6,787.45, 9,367.12 and 3,803.48

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Solution

The fourth proportional to 6,787.45, 9,367.12 and 3,803.48 is: 5,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.45 : 9,367.12 = 3,803.48 : x
  2. Step 2: Convert to fraction form
    6,787.45/9,367.12 = 3,803.48/x
  3. Step 3: Cross multiply
    6,787.45x = 9,367.12 × 3,803.48
  4. Step 4: Simplify right side
    6,787.45x = 35,627,662.27
  5. Step 5: Solve for x
    x = 35,627,662.27/6,787.45
  6. Step 6: Final answer
    x = 5,249.05

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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.