Home / 12,071.54-18,104.34-4,174.58

Finding the Fourth Proportional to 12,071.54, 18,104.34 and 4,174.58

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Solution

The fourth proportional to 12,071.54, 18,104.34 and 4,174.58 is: 6,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.54 : 18,104.34 = 4,174.58 : x
  2. Step 2: Convert to fraction form
    12,071.54/18,104.34 = 4,174.58/x
  3. Step 3: Cross multiply
    12,071.54x = 18,104.34 × 4,174.58
  4. Step 4: Simplify right side
    12,071.54x = 75,578,015.68
  5. Step 5: Solve for x
    x = 75,578,015.68/12,071.54
  6. Step 6: Final answer
    x = 6,260.84

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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.