Home / 7,967.27-11,950.88-2,420.58

Finding the Fourth Proportional to 7,967.27, 11,950.88 and 2,420.58

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Solution

The fourth proportional to 7,967.27, 11,950.88 and 2,420.58 is: 3,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.27 : 11,950.88 = 2,420.58 : x
  2. Step 2: Convert to fraction form
    7,967.27/11,950.88 = 2,420.58/x
  3. Step 3: Cross multiply
    7,967.27x = 11,950.88 × 2,420.58
  4. Step 4: Simplify right side
    7,967.27x = 28,928,049.01
  5. Step 5: Solve for x
    x = 28,928,049.01/7,967.27
  6. Step 6: Final answer
    x = 3,630.86

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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.