Home / 12,206.46-18,301.40-3,883.98

Finding the Fourth Proportional to 12,206.46, 18,301.40 and 3,883.98

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Solution

The fourth proportional to 12,206.46, 18,301.40 and 3,883.98 is: 5,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.46 : 18,301.40 = 3,883.98 : x
  2. Step 2: Convert to fraction form
    12,206.46/18,301.40 = 3,883.98/x
  3. Step 3: Cross multiply
    12,206.46x = 18,301.40 × 3,883.98
  4. Step 4: Simplify right side
    12,206.46x = 71,082,271.57
  5. Step 5: Solve for x
    x = 71,082,271.57/12,206.46
  6. Step 6: Final answer
    x = 5,823.33

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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.