Home / 7,667.75-11,504.40-3,774.89

Finding the Fourth Proportional to 7,667.75, 11,504.40 and 3,774.89

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Solution

The fourth proportional to 7,667.75, 11,504.40 and 3,774.89 is: 5,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667.75 : 11,504.40 = 3,774.89 : x
  2. Step 2: Convert to fraction form
    7,667.75/11,504.40 = 3,774.89/x
  3. Step 3: Cross multiply
    7,667.75x = 11,504.40 × 3,774.89
  4. Step 4: Simplify right side
    7,667.75x = 43,427,844.52
  5. Step 5: Solve for x
    x = 43,427,844.52/7,667.75
  6. Step 6: Final answer
    x = 5,663.70

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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.