Home / 12,606.94-18,922.09-6,371.36

Finding the Fourth Proportional to 12,606.94, 18,922.09 and 6,371.36

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Solution

The fourth proportional to 12,606.94, 18,922.09 and 6,371.36 is: 9,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.94 : 18,922.09 = 6,371.36 : x
  2. Step 2: Convert to fraction form
    12,606.94/18,922.09 = 6,371.36/x
  3. Step 3: Cross multiply
    12,606.94x = 18,922.09 × 6,371.36
  4. Step 4: Simplify right side
    12,606.94x = 120,559,447.34
  5. Step 5: Solve for x
    x = 120,559,447.34/12,606.94
  6. Step 6: Final answer
    x = 9,562.94

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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.