Home / 8,451.32-11,663.82-4,724.60

Finding the Fourth Proportional to 8,451.32, 11,663.82 and 4,724.60

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Solution

The fourth proportional to 8,451.32, 11,663.82 and 4,724.60 is: 6,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.32 : 11,663.82 = 4,724.60 : x
  2. Step 2: Convert to fraction form
    8,451.32/11,663.82 = 4,724.60/x
  3. Step 3: Cross multiply
    8,451.32x = 11,663.82 × 4,724.60
  4. Step 4: Simplify right side
    8,451.32x = 55,106,883.97
  5. Step 5: Solve for x
    x = 55,106,883.97/8,451.32
  6. Step 6: Final answer
    x = 6,520.51

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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.