Home / 11,454.60-17,178.38-3,661.32

Finding the Fourth Proportional to 11,454.60, 17,178.38 and 3,661.32

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Solution

The fourth proportional to 11,454.60, 17,178.38 and 3,661.32 is: 5,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.60 : 17,178.38 = 3,661.32 : x
  2. Step 2: Convert to fraction form
    11,454.60/17,178.38 = 3,661.32/x
  3. Step 3: Cross multiply
    11,454.60x = 17,178.38 × 3,661.32
  4. Step 4: Simplify right side
    11,454.60x = 62,895,546.26
  5. Step 5: Solve for x
    x = 62,895,546.26/11,454.60
  6. Step 6: Final answer
    x = 5,490.85

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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.