Home / 7,932.94-11,900.62-2,386.16

Finding the Fourth Proportional to 7,932.94, 11,900.62 and 2,386.16

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Solution

The fourth proportional to 7,932.94, 11,900.62 and 2,386.16 is: 3,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.94 : 11,900.62 = 2,386.16 : x
  2. Step 2: Convert to fraction form
    7,932.94/11,900.62 = 2,386.16/x
  3. Step 3: Cross multiply
    7,932.94x = 11,900.62 × 2,386.16
  4. Step 4: Simplify right side
    7,932.94x = 28,396,771.53
  5. Step 5: Solve for x
    x = 28,396,771.53/7,932.94
  6. Step 6: Final answer
    x = 3,579.60

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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.