Home / 12,047.76-18,069.78-3,283.38

Finding the Fourth Proportional to 12,047.76, 18,069.78 and 3,283.38

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Solution

The fourth proportional to 12,047.76, 18,069.78 and 3,283.38 is: 4,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.76 : 18,069.78 = 3,283.38 : x
  2. Step 2: Convert to fraction form
    12,047.76/18,069.78 = 3,283.38/x
  3. Step 3: Cross multiply
    12,047.76x = 18,069.78 × 3,283.38
  4. Step 4: Simplify right side
    12,047.76x = 59,329,954.26
  5. Step 5: Solve for x
    x = 59,329,954.26/12,047.76
  6. Step 6: Final answer
    x = 4,924.56

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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.