Home / 7,895.14-11,829.75-2,698.18

Finding the Fourth Proportional to 7,895.14, 11,829.75 and 2,698.18

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Solution

The fourth proportional to 7,895.14, 11,829.75 and 2,698.18 is: 4,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.14 : 11,829.75 = 2,698.18 : x
  2. Step 2: Convert to fraction form
    7,895.14/11,829.75 = 2,698.18/x
  3. Step 3: Cross multiply
    7,895.14x = 11,829.75 × 2,698.18
  4. Step 4: Simplify right side
    7,895.14x = 31,918,794.86
  5. Step 5: Solve for x
    x = 31,918,794.86/7,895.14
  6. Step 6: Final answer
    x = 4,042.84

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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.