Home / 12,367.33-18,551.85-4,971.80

Finding the Fourth Proportional to 12,367.33, 18,551.85 and 4,971.80

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Solution

The fourth proportional to 12,367.33, 18,551.85 and 4,971.80 is: 7,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.33 : 18,551.85 = 4,971.80 : x
  2. Step 2: Convert to fraction form
    12,367.33/18,551.85 = 4,971.80/x
  3. Step 3: Cross multiply
    12,367.33x = 18,551.85 × 4,971.80
  4. Step 4: Simplify right side
    12,367.33x = 92,236,087.83
  5. Step 5: Solve for x
    x = 92,236,087.83/12,367.33
  6. Step 6: Final answer
    x = 7,458.04

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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.