Home / 12,190.23-16,822.58-6,601.23

Finding the Fourth Proportional to 12,190.23, 16,822.58 and 6,601.23

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Solution

The fourth proportional to 12,190.23, 16,822.58 and 6,601.23 is: 9,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.23 : 16,822.58 = 6,601.23 : x
  2. Step 2: Convert to fraction form
    12,190.23/16,822.58 = 6,601.23/x
  3. Step 3: Cross multiply
    12,190.23x = 16,822.58 × 6,601.23
  4. Step 4: Simplify right side
    12,190.23x = 111,049,686.77
  5. Step 5: Solve for x
    x = 111,049,686.77/12,190.23
  6. Step 6: Final answer
    x = 9,109.73

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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.