Home / 7,933.58-11,899.43-2,090.64

Finding the Fourth Proportional to 7,933.58, 11,899.43 and 2,090.64

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Solution

The fourth proportional to 7,933.58, 11,899.43 and 2,090.64 is: 3,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.58 : 11,899.43 = 2,090.64 : x
  2. Step 2: Convert to fraction form
    7,933.58/11,899.43 = 2,090.64/x
  3. Step 3: Cross multiply
    7,933.58x = 11,899.43 × 2,090.64
  4. Step 4: Simplify right side
    7,933.58x = 24,877,413.88
  5. Step 5: Solve for x
    x = 24,877,413.88/7,933.58
  6. Step 6: Final answer
    x = 3,135.71

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1.5x scale

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.