Home / 12,272.58-16,933.84-7,238.38

Finding the Fourth Proportional to 12,272.58, 16,933.84 and 7,238.38

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Solution

The fourth proportional to 12,272.58, 16,933.84 and 7,238.38 is: 9,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.58 : 16,933.84 = 7,238.38 : x
  2. Step 2: Convert to fraction form
    12,272.58/16,933.84 = 7,238.38/x
  3. Step 3: Cross multiply
    12,272.58x = 16,933.84 × 7,238.38
  4. Step 4: Simplify right side
    12,272.58x = 122,573,568.78
  5. Step 5: Solve for x
    x = 122,573,568.78/12,272.58
  6. Step 6: Final answer
    x = 9,987.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.