Home / 8,119.13-11,204.42-4,393.13

Finding the Fourth Proportional to 8,119.13, 11,204.42 and 4,393.13

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Solution

The fourth proportional to 8,119.13, 11,204.42 and 4,393.13 is: 6,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.13 : 11,204.42 = 4,393.13 : x
  2. Step 2: Convert to fraction form
    8,119.13/11,204.42 = 4,393.13/x
  3. Step 3: Cross multiply
    8,119.13x = 11,204.42 × 4,393.13
  4. Step 4: Simplify right side
    8,119.13x = 49,222,395.65
  5. Step 5: Solve for x
    x = 49,222,395.65/8,119.13
  6. Step 6: Final answer
    x = 6,062.52

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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.