Home / 12,622.03-18,939.57-5,606.89

Finding the Fourth Proportional to 12,622.03, 18,939.57 and 5,606.89

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Solution

The fourth proportional to 12,622.03, 18,939.57 and 5,606.89 is: 8,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.03 : 18,939.57 = 5,606.89 : x
  2. Step 2: Convert to fraction form
    12,622.03/18,939.57 = 5,606.89/x
  3. Step 3: Cross multiply
    12,622.03x = 18,939.57 × 5,606.89
  4. Step 4: Simplify right side
    12,622.03x = 106,192,085.64
  5. Step 5: Solve for x
    x = 106,192,085.64/12,622.03
  6. Step 6: Final answer
    x = 8,413.23

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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.