Home / 11,192.40-16,785.60-3,399.12

Finding the Fourth Proportional to 11,192.40, 16,785.60 and 3,399.12

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Solution

The fourth proportional to 11,192.40, 16,785.60 and 3,399.12 is: 5,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.40 : 16,785.60 = 3,399.12 : x
  2. Step 2: Convert to fraction form
    11,192.40/16,785.60 = 3,399.12/x
  3. Step 3: Cross multiply
    11,192.40x = 16,785.60 × 3,399.12
  4. Step 4: Simplify right side
    11,192.40x = 57,056,268.67
  5. Step 5: Solve for x
    x = 57,056,268.67/11,192.40
  6. Step 6: Final answer
    x = 5,097.77

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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.