Home / 11,106.23-16,642.53-4,862.75

Finding the Fourth Proportional to 11,106.23, 16,642.53 and 4,862.75

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Solution

The fourth proportional to 11,106.23, 16,642.53 and 4,862.75 is: 7,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.23 : 16,642.53 = 4,862.75 : x
  2. Step 2: Convert to fraction form
    11,106.23/16,642.53 = 4,862.75/x
  3. Step 3: Cross multiply
    11,106.23x = 16,642.53 × 4,862.75
  4. Step 4: Simplify right side
    11,106.23x = 80,928,379.54
  5. Step 5: Solve for x
    x = 80,928,379.54/11,106.23
  6. Step 6: Final answer
    x = 7,286.76

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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.