Home / 8,667.62-11,961.42-5,263.64

Finding the Fourth Proportional to 8,667.62, 11,961.42 and 5,263.64

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Solution

The fourth proportional to 8,667.62, 11,961.42 and 5,263.64 is: 7,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.62 : 11,961.42 = 5,263.64 : x
  2. Step 2: Convert to fraction form
    8,667.62/11,961.42 = 5,263.64/x
  3. Step 3: Cross multiply
    8,667.62x = 11,961.42 × 5,263.64
  4. Step 4: Simplify right side
    8,667.62x = 62,960,608.77
  5. Step 5: Solve for x
    x = 62,960,608.77/8,667.62
  6. Step 6: Final answer
    x = 7,263.89

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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.