Home / 12,238.56-18,357.86-3,004.56

Finding the Fourth Proportional to 12,238.56, 18,357.86 and 3,004.56

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Solution

The fourth proportional to 12,238.56, 18,357.86 and 3,004.56 is: 4,506.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.56 : 18,357.86 = 3,004.56 : x
  2. Step 2: Convert to fraction form
    12,238.56/18,357.86 = 3,004.56/x
  3. Step 3: Cross multiply
    12,238.56x = 18,357.86 × 3,004.56
  4. Step 4: Simplify right side
    12,238.56x = 55,157,291.84
  5. Step 5: Solve for x
    x = 55,157,291.84/12,238.56
  6. Step 6: Final answer
    x = 4,506.84

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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.