Home / 12,182.26-18,273.13-3,416.95

Finding the Fourth Proportional to 12,182.26, 18,273.13 and 3,416.95

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Solution

The fourth proportional to 12,182.26, 18,273.13 and 3,416.95 is: 5,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.26 : 18,273.13 = 3,416.95 : x
  2. Step 2: Convert to fraction form
    12,182.26/18,273.13 = 3,416.95/x
  3. Step 3: Cross multiply
    12,182.26x = 18,273.13 × 3,416.95
  4. Step 4: Simplify right side
    12,182.26x = 62,438,371.55
  5. Step 5: Solve for x
    x = 62,438,371.55/12,182.26
  6. Step 6: Final answer
    x = 5,125.35

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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.