Home / 12,246.15-18,372.06-3,926.64

Finding the Fourth Proportional to 12,246.15, 18,372.06 and 3,926.64

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Solution

The fourth proportional to 12,246.15, 18,372.06 and 3,926.64 is: 5,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.15 : 18,372.06 = 3,926.64 : x
  2. Step 2: Convert to fraction form
    12,246.15/18,372.06 = 3,926.64/x
  3. Step 3: Cross multiply
    12,246.15x = 18,372.06 × 3,926.64
  4. Step 4: Simplify right side
    12,246.15x = 72,140,465.68
  5. Step 5: Solve for x
    x = 72,140,465.68/12,246.15
  6. Step 6: Final answer
    x = 5,890.87

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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.