Home / 11,769.86-17,654.77-3,004.78

Finding the Fourth Proportional to 11,769.86, 17,654.77 and 3,004.78

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Solution

The fourth proportional to 11,769.86, 17,654.77 and 3,004.78 is: 4,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.86 : 17,654.77 = 3,004.78 : x
  2. Step 2: Convert to fraction form
    11,769.86/17,654.77 = 3,004.78/x
  3. Step 3: Cross multiply
    11,769.86x = 17,654.77 × 3,004.78
  4. Step 4: Simplify right side
    11,769.86x = 53,048,699.80
  5. Step 5: Solve for x
    x = 53,048,699.80/11,769.86
  6. Step 6: Final answer
    x = 4,507.16

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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.