Home / 9,191.78-13,779.46-3,344.27

Finding the Fourth Proportional to 9,191.78, 13,779.46 and 3,344.27

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Solution

The fourth proportional to 9,191.78, 13,779.46 and 3,344.27 is: 5,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.78 : 13,779.46 = 3,344.27 : x
  2. Step 2: Convert to fraction form
    9,191.78/13,779.46 = 3,344.27/x
  3. Step 3: Cross multiply
    9,191.78x = 13,779.46 × 3,344.27
  4. Step 4: Simplify right side
    9,191.78x = 46,082,234.69
  5. Step 5: Solve for x
    x = 46,082,234.69/9,191.78
  6. Step 6: Final answer
    x = 5,013.42

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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.