Home / 7,845.53-11,768.83-3,463.02

Finding the Fourth Proportional to 7,845.53, 11,768.83 and 3,463.02

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Solution

The fourth proportional to 7,845.53, 11,768.83 and 3,463.02 is: 5,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.53 : 11,768.83 = 3,463.02 : x
  2. Step 2: Convert to fraction form
    7,845.53/11,768.83 = 3,463.02/x
  3. Step 3: Cross multiply
    7,845.53x = 11,768.83 × 3,463.02
  4. Step 4: Simplify right side
    7,845.53x = 40,755,685.01
  5. Step 5: Solve for x
    x = 40,755,685.01/7,845.53
  6. Step 6: Final answer
    x = 5,194.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.