Home / 12,235.84-18,353.44-3,470.56

Finding the Fourth Proportional to 12,235.84, 18,353.44 and 3,470.56

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Solution

The fourth proportional to 12,235.84, 18,353.44 and 3,470.56 is: 5,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.84 : 18,353.44 = 3,470.56 : x
  2. Step 2: Convert to fraction form
    12,235.84/18,353.44 = 3,470.56/x
  3. Step 3: Cross multiply
    12,235.84x = 18,353.44 × 3,470.56
  4. Step 4: Simplify right side
    12,235.84x = 63,696,714.73
  5. Step 5: Solve for x
    x = 63,696,714.73/12,235.84
  6. Step 6: Final answer
    x = 5,205.75

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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.