Home / 10,959.75-16,431.41-3,559.79

Finding the Fourth Proportional to 10,959.75, 16,431.41 and 3,559.79

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Solution

The fourth proportional to 10,959.75, 16,431.41 and 3,559.79 is: 5,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.75 : 16,431.41 = 3,559.79 : x
  2. Step 2: Convert to fraction form
    10,959.75/16,431.41 = 3,559.79/x
  3. Step 3: Cross multiply
    10,959.75x = 16,431.41 × 3,559.79
  4. Step 4: Simplify right side
    10,959.75x = 58,492,418.98
  5. Step 5: Solve for x
    x = 58,492,418.98/10,959.75
  6. Step 6: Final answer
    x = 5,337.02

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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.