Home / 7,832.96-11,755.20-2,905.84

Finding the Fourth Proportional to 7,832.96, 11,755.20 and 2,905.84

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Solution

The fourth proportional to 7,832.96, 11,755.20 and 2,905.84 is: 4,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.96 : 11,755.20 = 2,905.84 : x
  2. Step 2: Convert to fraction form
    7,832.96/11,755.20 = 2,905.84/x
  3. Step 3: Cross multiply
    7,832.96x = 11,755.20 × 2,905.84
  4. Step 4: Simplify right side
    7,832.96x = 34,158,730.37
  5. Step 5: Solve for x
    x = 34,158,730.37/7,832.96
  6. Step 6: Final answer
    x = 4,360.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.