Home / 11,845.12-17,758.08-4,924.80

Finding the Fourth Proportional to 11,845.12, 17,758.08 and 4,924.80

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Solution

The fourth proportional to 11,845.12, 17,758.08 and 4,924.80 is: 7,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.12 : 17,758.08 = 4,924.80 : x
  2. Step 2: Convert to fraction form
    11,845.12/17,758.08 = 4,924.80/x
  3. Step 3: Cross multiply
    11,845.12x = 17,758.08 × 4,924.80
  4. Step 4: Simplify right side
    11,845.12x = 87,454,992.38
  5. Step 5: Solve for x
    x = 87,454,992.38/11,845.12
  6. Step 6: Final answer
    x = 7,383.21

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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.