Home / 12,235.56-18,353.52-3,470.49

Finding the Fourth Proportional to 12,235.56, 18,353.52 and 3,470.49

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Solution

The fourth proportional to 12,235.56, 18,353.52 and 3,470.49 is: 5,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.56 : 18,353.52 = 3,470.49 : x
  2. Step 2: Convert to fraction form
    12,235.56/18,353.52 = 3,470.49/x
  3. Step 3: Cross multiply
    12,235.56x = 18,353.52 × 3,470.49
  4. Step 4: Simplify right side
    12,235.56x = 63,695,707.62
  5. Step 5: Solve for x
    x = 63,695,707.62/12,235.56
  6. Step 6: Final answer
    x = 5,205.79

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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.