Home / 7,932.58-11,892.85-4,811.78

Finding the Fourth Proportional to 7,932.58, 11,892.85 and 4,811.78

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Solution

The fourth proportional to 7,932.58, 11,892.85 and 4,811.78 is: 7,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.58 : 11,892.85 = 4,811.78 : x
  2. Step 2: Convert to fraction form
    7,932.58/11,892.85 = 4,811.78/x
  3. Step 3: Cross multiply
    7,932.58x = 11,892.85 × 4,811.78
  4. Step 4: Simplify right side
    7,932.58x = 57,225,777.77
  5. Step 5: Solve for x
    x = 57,225,777.77/7,932.58
  6. Step 6: Final answer
    x = 7,214.02

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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.