Home / 8,356.20-11,531.83-4,579.37

Finding the Fourth Proportional to 8,356.20, 11,531.83 and 4,579.37

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Solution

The fourth proportional to 8,356.20, 11,531.83 and 4,579.37 is: 6,319.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.20 : 11,531.83 = 4,579.37 : x
  2. Step 2: Convert to fraction form
    8,356.20/11,531.83 = 4,579.37/x
  3. Step 3: Cross multiply
    8,356.20x = 11,531.83 × 4,579.37
  4. Step 4: Simplify right side
    8,356.20x = 52,808,464.62
  5. Step 5: Solve for x
    x = 52,808,464.62/8,356.20
  6. Step 6: Final answer
    x = 6,319.68

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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.