Home / 7,774.08-11,661.48-2,226.84

Finding the Fourth Proportional to 7,774.08, 11,661.48 and 2,226.84

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Solution

The fourth proportional to 7,774.08, 11,661.48 and 2,226.84 is: 3,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.08 : 11,661.48 = 2,226.84 : x
  2. Step 2: Convert to fraction form
    7,774.08/11,661.48 = 2,226.84/x
  3. Step 3: Cross multiply
    7,774.08x = 11,661.48 × 2,226.84
  4. Step 4: Simplify right side
    7,774.08x = 25,968,250.12
  5. Step 5: Solve for x
    x = 25,968,250.12/7,774.08
  6. Step 6: Final answer
    x = 3,340.36

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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.