Home / 7,004.96-9,667.44-3,861.75

Finding the Fourth Proportional to 7,004.96, 9,667.44 and 3,861.75

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Solution

The fourth proportional to 7,004.96, 9,667.44 and 3,861.75 is: 5,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.96 : 9,667.44 = 3,861.75 : x
  2. Step 2: Convert to fraction form
    7,004.96/9,667.44 = 3,861.75/x
  3. Step 3: Cross multiply
    7,004.96x = 9,667.44 × 3,861.75
  4. Step 4: Simplify right side
    7,004.96x = 37,333,236.42
  5. Step 5: Solve for x
    x = 37,333,236.42/7,004.96
  6. Step 6: Final answer
    x = 5,329.55

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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.