Home / 8,416.22-11,612.51-4,830.96

Finding the Fourth Proportional to 8,416.22, 11,612.51 and 4,830.96

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Solution

The fourth proportional to 8,416.22, 11,612.51 and 4,830.96 is: 6,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.22 : 11,612.51 = 4,830.96 : x
  2. Step 2: Convert to fraction form
    8,416.22/11,612.51 = 4,830.96/x
  3. Step 3: Cross multiply
    8,416.22x = 11,612.51 × 4,830.96
  4. Step 4: Simplify right side
    8,416.22x = 56,099,571.31
  5. Step 5: Solve for x
    x = 56,099,571.31/8,416.22
  6. Step 6: Final answer
    x = 6,665.65

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Half scale
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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.