Home / 12,174.97-18,263.26-4,276.52

Finding the Fourth Proportional to 12,174.97, 18,263.26 and 4,276.52

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Solution

The fourth proportional to 12,174.97, 18,263.26 and 4,276.52 is: 6,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.97 : 18,263.26 = 4,276.52 : x
  2. Step 2: Convert to fraction form
    12,174.97/18,263.26 = 4,276.52/x
  3. Step 3: Cross multiply
    12,174.97x = 18,263.26 × 4,276.52
  4. Step 4: Simplify right side
    12,174.97x = 78,103,231.62
  5. Step 5: Solve for x
    x = 78,103,231.62/12,174.97
  6. Step 6: Final answer
    x = 6,415.07

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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.