Home / 7,661.13-11,494.43-3,768.27

Finding the Fourth Proportional to 7,661.13, 11,494.43 and 3,768.27

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Solution

The fourth proportional to 7,661.13, 11,494.43 and 3,768.27 is: 5,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.13 : 11,494.43 = 3,768.27 : x
  2. Step 2: Convert to fraction form
    7,661.13/11,494.43 = 3,768.27/x
  3. Step 3: Cross multiply
    7,661.13x = 11,494.43 × 3,768.27
  4. Step 4: Simplify right side
    7,661.13x = 43,314,115.74
  5. Step 5: Solve for x
    x = 43,314,115.74/7,661.13
  6. Step 6: Final answer
    x = 5,653.75

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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.