Home / 7,934.09-11,904.57-3,774.06

Finding the Fourth Proportional to 7,934.09, 11,904.57 and 3,774.06

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Solution

The fourth proportional to 7,934.09, 11,904.57 and 3,774.06 is: 5,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.09 : 11,904.57 = 3,774.06 : x
  2. Step 2: Convert to fraction form
    7,934.09/11,904.57 = 3,774.06/x
  3. Step 3: Cross multiply
    7,934.09x = 11,904.57 × 3,774.06
  4. Step 4: Simplify right side
    7,934.09x = 44,928,561.45
  5. Step 5: Solve for x
    x = 44,928,561.45/7,934.09
  6. Step 6: Final answer
    x = 5,662.73

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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.