Home / 12,122.24-18,185.39-6,201.68

Finding the Fourth Proportional to 12,122.24, 18,185.39 and 6,201.68

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Solution

The fourth proportional to 12,122.24, 18,185.39 and 6,201.68 is: 9,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122.24 : 18,185.39 = 6,201.68 : x
  2. Step 2: Convert to fraction form
    12,122.24/18,185.39 = 6,201.68/x
  3. Step 3: Cross multiply
    12,122.24x = 18,185.39 × 6,201.68
  4. Step 4: Simplify right side
    12,122.24x = 112,780,030.42
  5. Step 5: Solve for x
    x = 112,780,030.42/12,122.24
  6. Step 6: Final answer
    x = 9,303.57

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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.