Home / 12,813.12-19,222.66-5,022

Finding the Fourth Proportional to 12,813.12, 19,222.66 and 5,022

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Solution

The fourth proportional to 12,813.12, 19,222.66 and 5,022 is: 7,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.12 : 19,222.66 = 5,022 : x
  2. Step 2: Convert to fraction form
    12,813.12/19,222.66 = 5,022/x
  3. Step 3: Cross multiply
    12,813.12x = 19,222.66 × 5,022
  4. Step 4: Simplify right side
    12,813.12x = 96,536,198.52
  5. Step 5: Solve for x
    x = 96,536,198.52/12,813.12
  6. Step 6: Final answer
    x = 7,534.17

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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.