Home / 12,372.99-18,553.71-3,606.16

Finding the Fourth Proportional to 12,372.99, 18,553.71 and 3,606.16

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Solution

The fourth proportional to 12,372.99, 18,553.71 and 3,606.16 is: 5,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.99 : 18,553.71 = 3,606.16 : x
  2. Step 2: Convert to fraction form
    12,372.99/18,553.71 = 3,606.16/x
  3. Step 3: Cross multiply
    12,372.99x = 18,553.71 × 3,606.16
  4. Step 4: Simplify right side
    12,372.99x = 66,907,646.85
  5. Step 5: Solve for x
    x = 66,907,646.85/12,372.99
  6. Step 6: Final answer
    x = 5,407.56

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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.