Home / 11,161.03-16,745.90-4,916.65

Finding the Fourth Proportional to 11,161.03, 16,745.90 and 4,916.65

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Solution

The fourth proportional to 11,161.03, 16,745.90 and 4,916.65 is: 7,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.03 : 16,745.90 = 4,916.65 : x
  2. Step 2: Convert to fraction form
    11,161.03/16,745.90 = 4,916.65/x
  3. Step 3: Cross multiply
    11,161.03x = 16,745.90 × 4,916.65
  4. Step 4: Simplify right side
    11,161.03x = 82,333,729.24
  5. Step 5: Solve for x
    x = 82,333,729.24/11,161.03
  6. Step 6: Final answer
    x = 7,376.89

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1.5x scale

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.