Home / 12,601.89-17,391-6,936.33

Finding the Fourth Proportional to 12,601.89, 17,391 and 6,936.33

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Solution

The fourth proportional to 12,601.89, 17,391 and 6,936.33 is: 9,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.89 : 17,391 = 6,936.33 : x
  2. Step 2: Convert to fraction form
    12,601.89/17,391 = 6,936.33/x
  3. Step 3: Cross multiply
    12,601.89x = 17,391 × 6,936.33
  4. Step 4: Simplify right side
    12,601.89x = 120,629,715.03
  5. Step 5: Solve for x
    x = 120,629,715.03/12,601.89
  6. Step 6: Final answer
    x = 9,572.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.