Home / 12,601.23-17,389.76-6,936.54

Finding the Fourth Proportional to 12,601.23, 17,389.76 and 6,936.54

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Solution

The fourth proportional to 12,601.23, 17,389.76 and 6,936.54 is: 9,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.23 : 17,389.76 = 6,936.54 : x
  2. Step 2: Convert to fraction form
    12,601.23/17,389.76 = 6,936.54/x
  3. Step 3: Cross multiply
    12,601.23x = 17,389.76 × 6,936.54
  4. Step 4: Simplify right side
    12,601.23x = 120,624,763.75
  5. Step 5: Solve for x
    x = 120,624,763.75/12,601.23
  6. Step 6: Final answer
    x = 9,572.46

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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.