Home / 7,955.20-11,910.84-4,040.56

Finding the Fourth Proportional to 7,955.20, 11,910.84 and 4,040.56

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Solution

The fourth proportional to 7,955.20, 11,910.84 and 4,040.56 is: 6,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.20 : 11,910.84 = 4,040.56 : x
  2. Step 2: Convert to fraction form
    7,955.20/11,910.84 = 4,040.56/x
  3. Step 3: Cross multiply
    7,955.20x = 11,910.84 × 4,040.56
  4. Step 4: Simplify right side
    7,955.20x = 48,126,463.67
  5. Step 5: Solve for x
    x = 48,126,463.67/7,955.20
  6. Step 6: Final answer
    x = 6,049.69

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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.