Home / 9,322.72-13,986.51-3,479.38

Finding the Fourth Proportional to 9,322.72, 13,986.51 and 3,479.38

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Solution

The fourth proportional to 9,322.72, 13,986.51 and 3,479.38 is: 5,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.72 : 13,986.51 = 3,479.38 : x
  2. Step 2: Convert to fraction form
    9,322.72/13,986.51 = 3,479.38/x
  3. Step 3: Cross multiply
    9,322.72x = 13,986.51 × 3,479.38
  4. Step 4: Simplify right side
    9,322.72x = 48,664,313.23
  5. Step 5: Solve for x
    x = 48,664,313.23/9,322.72
  6. Step 6: Final answer
    x = 5,219.97

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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.