Home / 12,148.56-18,222.41-4,251.06

Finding the Fourth Proportional to 12,148.56, 18,222.41 and 4,251.06

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Solution

The fourth proportional to 12,148.56, 18,222.41 and 4,251.06 is: 6,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.56 : 18,222.41 = 4,251.06 : x
  2. Step 2: Convert to fraction form
    12,148.56/18,222.41 = 4,251.06/x
  3. Step 3: Cross multiply
    12,148.56x = 18,222.41 × 4,251.06
  4. Step 4: Simplify right side
    12,148.56x = 77,464,568.88
  5. Step 5: Solve for x
    x = 77,464,568.88/12,148.56
  6. Step 6: Final answer
    x = 6,376.44

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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.