Home / 11,591.88-17,389.44-3,798.78

Finding the Fourth Proportional to 11,591.88, 17,389.44 and 3,798.78

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Solution

The fourth proportional to 11,591.88, 17,389.44 and 3,798.78 is: 5,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.88 : 17,389.44 = 3,798.78 : x
  2. Step 2: Convert to fraction form
    11,591.88/17,389.44 = 3,798.78/x
  3. Step 3: Cross multiply
    11,591.88x = 17,389.44 × 3,798.78
  4. Step 4: Simplify right side
    11,591.88x = 66,058,656.88
  5. Step 5: Solve for x
    x = 66,058,656.88/11,591.88
  6. Step 6: Final answer
    x = 5,698.70

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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.