Home / 12,034.58-18,054.50-4,137.68

Finding the Fourth Proportional to 12,034.58, 18,054.50 and 4,137.68

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Solution

The fourth proportional to 12,034.58, 18,054.50 and 4,137.68 is: 6,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.58 : 18,054.50 = 4,137.68 : x
  2. Step 2: Convert to fraction form
    12,034.58/18,054.50 = 4,137.68/x
  3. Step 3: Cross multiply
    12,034.58x = 18,054.50 × 4,137.68
  4. Step 4: Simplify right side
    12,034.58x = 74,703,768.01
  5. Step 5: Solve for x
    x = 74,703,768.01/12,034.58
  6. Step 6: Final answer
    x = 6,207.43

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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.