Home / 7,966.80-11,942.75-2,698.14

Finding the Fourth Proportional to 7,966.80, 11,942.75 and 2,698.14

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Solution

The fourth proportional to 7,966.80, 11,942.75 and 2,698.14 is: 4,044.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.80 : 11,942.75 = 2,698.14 : x
  2. Step 2: Convert to fraction form
    7,966.80/11,942.75 = 2,698.14/x
  3. Step 3: Cross multiply
    7,966.80x = 11,942.75 × 2,698.14
  4. Step 4: Simplify right side
    7,966.80x = 32,223,197.99
  5. Step 5: Solve for x
    x = 32,223,197.99/7,966.80
  6. Step 6: Final answer
    x = 4,044.69

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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.