Home / 8,425.36-11,626.92-4,648.56

Finding the Fourth Proportional to 8,425.36, 11,626.92 and 4,648.56

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Solution

The fourth proportional to 8,425.36, 11,626.92 and 4,648.56 is: 6,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.36 : 11,626.92 = 4,648.56 : x
  2. Step 2: Convert to fraction form
    8,425.36/11,626.92 = 4,648.56/x
  3. Step 3: Cross multiply
    8,425.36x = 11,626.92 × 4,648.56
  4. Step 4: Simplify right side
    8,425.36x = 54,048,374.20
  5. Step 5: Solve for x
    x = 54,048,374.20/8,425.36
  6. Step 6: Final answer
    x = 6,414.97

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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.