Home / 12,246.33-18,372.18-4,455.12

Finding the Fourth Proportional to 12,246.33, 18,372.18 and 4,455.12

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Solution

The fourth proportional to 12,246.33, 18,372.18 and 4,455.12 is: 6,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.33 : 18,372.18 = 4,455.12 : x
  2. Step 2: Convert to fraction form
    12,246.33/18,372.18 = 4,455.12/x
  3. Step 3: Cross multiply
    12,246.33x = 18,372.18 × 4,455.12
  4. Step 4: Simplify right side
    12,246.33x = 81,850,266.56
  5. Step 5: Solve for x
    x = 81,850,266.56/12,246.33
  6. Step 6: Final answer
    x = 6,683.66

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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.