Home / 9,322.21-13,982.85-3,478.36

Finding the Fourth Proportional to 9,322.21, 13,982.85 and 3,478.36

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Solution

The fourth proportional to 9,322.21, 13,982.85 and 3,478.36 is: 5,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.21 : 13,982.85 = 3,478.36 : x
  2. Step 2: Convert to fraction form
    9,322.21/13,982.85 = 3,478.36/x
  3. Step 3: Cross multiply
    9,322.21x = 13,982.85 × 3,478.36
  4. Step 4: Simplify right side
    9,322.21x = 48,637,387.17
  5. Step 5: Solve for x
    x = 48,637,387.17/9,322.21
  6. Step 6: Final answer
    x = 5,217.37

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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.