Home / 7,379.28-11,066.34-2,447.60

Finding the Fourth Proportional to 7,379.28, 11,066.34 and 2,447.60

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Solution

The fourth proportional to 7,379.28, 11,066.34 and 2,447.60 is: 3,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.28 : 11,066.34 = 2,447.60 : x
  2. Step 2: Convert to fraction form
    7,379.28/11,066.34 = 2,447.60/x
  3. Step 3: Cross multiply
    7,379.28x = 11,066.34 × 2,447.60
  4. Step 4: Simplify right side
    7,379.28x = 27,085,918.45
  5. Step 5: Solve for x
    x = 27,085,918.45/7,379.28
  6. Step 6: Final answer
    x = 3,670.54

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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.