Home / 8,195.42-11,313.79-4,839.28

Finding the Fourth Proportional to 8,195.42, 11,313.79 and 4,839.28

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Solution

The fourth proportional to 8,195.42, 11,313.79 and 4,839.28 is: 6,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.42 : 11,313.79 = 4,839.28 : x
  2. Step 2: Convert to fraction form
    8,195.42/11,313.79 = 4,839.28/x
  3. Step 3: Cross multiply
    8,195.42x = 11,313.79 × 4,839.28
  4. Step 4: Simplify right side
    8,195.42x = 54,750,597.67
  5. Step 5: Solve for x
    x = 54,750,597.67/8,195.42
  6. Step 6: Final answer
    x = 6,680.63

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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.