Home / 12,336.63-18,507.67-5,759.22

Finding the Fourth Proportional to 12,336.63, 18,507.67 and 5,759.22

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Solution

The fourth proportional to 12,336.63, 18,507.67 and 5,759.22 is: 8,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.63 : 18,507.67 = 5,759.22 : x
  2. Step 2: Convert to fraction form
    12,336.63/18,507.67 = 5,759.22/x
  3. Step 3: Cross multiply
    12,336.63x = 18,507.67 × 5,759.22
  4. Step 4: Simplify right side
    12,336.63x = 106,589,743.22
  5. Step 5: Solve for x
    x = 106,589,743.22/12,336.63
  6. Step 6: Final answer
    x = 8,640.10

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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.