Home / 10,667.96-15,996.66-3,270.64

Finding the Fourth Proportional to 10,667.96, 15,996.66 and 3,270.64

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Solution

The fourth proportional to 10,667.96, 15,996.66 and 3,270.64 is: 4,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.96 : 15,996.66 = 3,270.64 : x
  2. Step 2: Convert to fraction form
    10,667.96/15,996.66 = 3,270.64/x
  3. Step 3: Cross multiply
    10,667.96x = 15,996.66 × 3,270.64
  4. Step 4: Simplify right side
    10,667.96x = 52,319,316.06
  5. Step 5: Solve for x
    x = 52,319,316.06/10,667.96
  6. Step 6: Final answer
    x = 4,904.34

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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.