Home / 11,880.29-17,766.81-9,069.99

Finding the Fourth Proportional to 11,880.29, 17,766.81 and 9,069.99

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Solution

The fourth proportional to 11,880.29, 17,766.81 and 9,069.99 is: 13,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.29 : 17,766.81 = 9,069.99 : x
  2. Step 2: Convert to fraction form
    11,880.29/17,766.81 = 9,069.99/x
  3. Step 3: Cross multiply
    11,880.29x = 17,766.81 × 9,069.99
  4. Step 4: Simplify right side
    11,880.29x = 161,144,789.03
  5. Step 5: Solve for x
    x = 161,144,789.03/11,880.29
  6. Step 6: Final answer
    x = 13,564.05

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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.