Home / 12,371.37-18,558.03-3,606.29

Finding the Fourth Proportional to 12,371.37, 18,558.03 and 3,606.29

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Solution

The fourth proportional to 12,371.37, 18,558.03 and 3,606.29 is: 5,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.37 : 18,558.03 = 3,606.29 : x
  2. Step 2: Convert to fraction form
    12,371.37/18,558.03 = 3,606.29/x
  3. Step 3: Cross multiply
    12,371.37x = 18,558.03 × 3,606.29
  4. Step 4: Simplify right side
    12,371.37x = 66,925,545.22
  5. Step 5: Solve for x
    x = 66,925,545.22/12,371.37
  6. Step 6: Final answer
    x = 5,409.71

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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.