Home / 7,926.74-11,891.01-4,639.86

Finding the Fourth Proportional to 7,926.74, 11,891.01 and 4,639.86

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Solution

The fourth proportional to 7,926.74, 11,891.01 and 4,639.86 is: 6,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.74 : 11,891.01 = 4,639.86 : x
  2. Step 2: Convert to fraction form
    7,926.74/11,891.01 = 4,639.86/x
  3. Step 3: Cross multiply
    7,926.74x = 11,891.01 × 4,639.86
  4. Step 4: Simplify right side
    7,926.74x = 55,172,562.20
  5. Step 5: Solve for x
    x = 55,172,562.20/7,926.74
  6. Step 6: Final answer
    x = 6,960.31

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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.