Home / 8,356.26-11,531.68-4,630.26

Finding the Fourth Proportional to 8,356.26, 11,531.68 and 4,630.26

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Solution

The fourth proportional to 8,356.26, 11,531.68 and 4,630.26 is: 6,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.26 : 11,531.68 = 4,630.26 : x
  2. Step 2: Convert to fraction form
    8,356.26/11,531.68 = 4,630.26/x
  3. Step 3: Cross multiply
    8,356.26x = 11,531.68 × 4,630.26
  4. Step 4: Simplify right side
    8,356.26x = 53,394,676.64
  5. Step 5: Solve for x
    x = 53,394,676.64/8,356.26
  6. Step 6: Final answer
    x = 6,389.78

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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.