Home / 12,412.62-18,618.47-3,052.67

Finding the Fourth Proportional to 12,412.62, 18,618.47 and 3,052.67

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Solution

The fourth proportional to 12,412.62, 18,618.47 and 3,052.67 is: 4,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412.62 : 18,618.47 = 3,052.67 : x
  2. Step 2: Convert to fraction form
    12,412.62/18,618.47 = 3,052.67/x
  3. Step 3: Cross multiply
    12,412.62x = 18,618.47 × 3,052.67
  4. Step 4: Simplify right side
    12,412.62x = 56,835,936.46
  5. Step 5: Solve for x
    x = 56,835,936.46/12,412.62
  6. Step 6: Final answer
    x = 4,578.88

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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.