Home / 11,173.30-16,765.42-7,907.38

Finding the Fourth Proportional to 11,173.30, 16,765.42 and 7,907.38

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Solution

The fourth proportional to 11,173.30, 16,765.42 and 7,907.38 is: 11,864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.30 : 16,765.42 = 7,907.38 : x
  2. Step 2: Convert to fraction form
    11,173.30/16,765.42 = 7,907.38/x
  3. Step 3: Cross multiply
    11,173.30x = 16,765.42 × 7,907.38
  4. Step 4: Simplify right side
    11,173.30x = 132,570,546.80
  5. Step 5: Solve for x
    x = 132,570,546.80/11,173.30
  6. Step 6: Final answer
    x = 11,864.94

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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.