Home / 11,851.62-17,782.61-5,616.08

Finding the Fourth Proportional to 11,851.62, 17,782.61 and 5,616.08

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Solution

The fourth proportional to 11,851.62, 17,782.61 and 5,616.08 is: 8,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.62 : 17,782.61 = 5,616.08 : x
  2. Step 2: Convert to fraction form
    11,851.62/17,782.61 = 5,616.08/x
  3. Step 3: Cross multiply
    11,851.62x = 17,782.61 × 5,616.08
  4. Step 4: Simplify right side
    11,851.62x = 99,868,560.37
  5. Step 5: Solve for x
    x = 99,868,560.37/11,851.62
  6. Step 6: Final answer
    x = 8,426.57

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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.