Home / 12,067.84-18,104.49-4,276.65

Finding the Fourth Proportional to 12,067.84, 18,104.49 and 4,276.65

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Solution

The fourth proportional to 12,067.84, 18,104.49 and 4,276.65 is: 6,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.84 : 18,104.49 = 4,276.65 : x
  2. Step 2: Convert to fraction form
    12,067.84/18,104.49 = 4,276.65/x
  3. Step 3: Cross multiply
    12,067.84x = 18,104.49 × 4,276.65
  4. Step 4: Simplify right side
    12,067.84x = 77,426,567.16
  5. Step 5: Solve for x
    x = 77,426,567.16/12,067.84
  6. Step 6: Final answer
    x = 6,415.94

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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.