Home / 8,434.36-11,636.92-5,451.96

Finding the Fourth Proportional to 8,434.36, 11,636.92 and 5,451.96

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Solution

The fourth proportional to 8,434.36, 11,636.92 and 5,451.96 is: 7,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.36 : 11,636.92 = 5,451.96 : x
  2. Step 2: Convert to fraction form
    8,434.36/11,636.92 = 5,451.96/x
  3. Step 3: Cross multiply
    8,434.36x = 11,636.92 × 5,451.96
  4. Step 4: Simplify right side
    8,434.36x = 63,444,022.36
  5. Step 5: Solve for x
    x = 63,444,022.36/8,434.36
  6. Step 6: Final answer
    x = 7,522.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.