Home / 11,163.81-16,745.72-5,302.65

Finding the Fourth Proportional to 11,163.81, 16,745.72 and 5,302.65

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Solution

The fourth proportional to 11,163.81, 16,745.72 and 5,302.65 is: 7,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.81 : 16,745.72 = 5,302.65 : x
  2. Step 2: Convert to fraction form
    11,163.81/16,745.72 = 5,302.65/x
  3. Step 3: Cross multiply
    11,163.81x = 16,745.72 × 5,302.65
  4. Step 4: Simplify right side
    11,163.81x = 88,796,665.64
  5. Step 5: Solve for x
    x = 88,796,665.64/11,163.81
  6. Step 6: Final answer
    x = 7,953.98

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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.