Home / 9,231.71-13,854.85-3,389.99

Finding the Fourth Proportional to 9,231.71, 13,854.85 and 3,389.99

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Solution

The fourth proportional to 9,231.71, 13,854.85 and 3,389.99 is: 5,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.71 : 13,854.85 = 3,389.99 : x
  2. Step 2: Convert to fraction form
    9,231.71/13,854.85 = 3,389.99/x
  3. Step 3: Cross multiply
    9,231.71x = 13,854.85 × 3,389.99
  4. Step 4: Simplify right side
    9,231.71x = 46,967,802.95
  5. Step 5: Solve for x
    x = 46,967,802.95/9,231.71
  6. Step 6: Final answer
    x = 5,087.66

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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.