Home / 11,674.48-16,115.46-7,202.75

Finding the Fourth Proportional to 11,674.48, 16,115.46 and 7,202.75

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Solution

The fourth proportional to 11,674.48, 16,115.46 and 7,202.75 is: 9,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.48 : 16,115.46 = 7,202.75 : x
  2. Step 2: Convert to fraction form
    11,674.48/16,115.46 = 7,202.75/x
  3. Step 3: Cross multiply
    11,674.48x = 16,115.46 × 7,202.75
  4. Step 4: Simplify right side
    11,674.48x = 116,075,567.25
  5. Step 5: Solve for x
    x = 116,075,567.25/11,674.48
  6. Step 6: Final answer
    x = 9,942.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.