Home / 11,948.12-17,923.80-5,021

Finding the Fourth Proportional to 11,948.12, 17,923.80 and 5,021

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Solution

The fourth proportional to 11,948.12, 17,923.80 and 5,021 is: 7,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.12 : 17,923.80 = 5,021 : x
  2. Step 2: Convert to fraction form
    11,948.12/17,923.80 = 5,021/x
  3. Step 3: Cross multiply
    11,948.12x = 17,923.80 × 5,021
  4. Step 4: Simplify right side
    11,948.12x = 89,995,399.80
  5. Step 5: Solve for x
    x = 89,995,399.80/11,948.12
  6. Step 6: Final answer
    x = 7,532.18

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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.