Home / 11,320.96-16,979.79-3,001.48

Finding the Fourth Proportional to 11,320.96, 16,979.79 and 3,001.48

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Solution

The fourth proportional to 11,320.96, 16,979.79 and 3,001.48 is: 4,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.96 : 16,979.79 = 3,001.48 : x
  2. Step 2: Convert to fraction form
    11,320.96/16,979.79 = 3,001.48/x
  3. Step 3: Cross multiply
    11,320.96x = 16,979.79 × 3,001.48
  4. Step 4: Simplify right side
    11,320.96x = 50,964,500.09
  5. Step 5: Solve for x
    x = 50,964,500.09/11,320.96
  6. Step 6: Final answer
    x = 4,501.78

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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.