Home / 9,324.29-13,986.47-3,480.81

Finding the Fourth Proportional to 9,324.29, 13,986.47 and 3,480.81

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Solution

The fourth proportional to 9,324.29, 13,986.47 and 3,480.81 is: 5,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.29 : 13,986.47 = 3,480.81 : x
  2. Step 2: Convert to fraction form
    9,324.29/13,986.47 = 3,480.81/x
  3. Step 3: Cross multiply
    9,324.29x = 13,986.47 × 3,480.81
  4. Step 4: Simplify right side
    9,324.29x = 48,684,244.64
  5. Step 5: Solve for x
    x = 48,684,244.64/9,324.29
  6. Step 6: Final answer
    x = 5,221.23

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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.