Home / 8,382.36-12,569.22-3,451.08

Finding the Fourth Proportional to 8,382.36, 12,569.22 and 3,451.08

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Solution

The fourth proportional to 8,382.36, 12,569.22 and 3,451.08 is: 5,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.36 : 12,569.22 = 3,451.08 : x
  2. Step 2: Convert to fraction form
    8,382.36/12,569.22 = 3,451.08/x
  3. Step 3: Cross multiply
    8,382.36x = 12,569.22 × 3,451.08
  4. Step 4: Simplify right side
    8,382.36x = 43,377,383.76
  5. Step 5: Solve for x
    x = 43,377,383.76/8,382.36
  6. Step 6: Final answer
    x = 5,174.84

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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.