Home / 7,739.49-11,613.48-3,356.97

Finding the Fourth Proportional to 7,739.49, 11,613.48 and 3,356.97

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Solution

The fourth proportional to 7,739.49, 11,613.48 and 3,356.97 is: 5,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.49 : 11,613.48 = 3,356.97 : x
  2. Step 2: Convert to fraction form
    7,739.49/11,613.48 = 3,356.97/x
  3. Step 3: Cross multiply
    7,739.49x = 11,613.48 × 3,356.97
  4. Step 4: Simplify right side
    7,739.49x = 38,986,103.96
  5. Step 5: Solve for x
    x = 38,986,103.96/7,739.49
  6. Step 6: Final answer
    x = 5,037.30

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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.