Home / 11,169.36-15,414.12-6,133.68

Finding the Fourth Proportional to 11,169.36, 15,414.12 and 6,133.68

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Solution

The fourth proportional to 11,169.36, 15,414.12 and 6,133.68 is: 8,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.36 : 15,414.12 = 6,133.68 : x
  2. Step 2: Convert to fraction form
    11,169.36/15,414.12 = 6,133.68/x
  3. Step 3: Cross multiply
    11,169.36x = 15,414.12 × 6,133.68
  4. Step 4: Simplify right side
    11,169.36x = 94,545,279.56
  5. Step 5: Solve for x
    x = 94,545,279.56/11,169.36
  6. Step 6: Final answer
    x = 8,464.70

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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.