Home / 11,345.86-17,020.01-3,448.36

Finding the Fourth Proportional to 11,345.86, 17,020.01 and 3,448.36

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Solution

The fourth proportional to 11,345.86, 17,020.01 and 3,448.36 is: 5,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.86 : 17,020.01 = 3,448.36 : x
  2. Step 2: Convert to fraction form
    11,345.86/17,020.01 = 3,448.36/x
  3. Step 3: Cross multiply
    11,345.86x = 17,020.01 × 3,448.36
  4. Step 4: Simplify right side
    11,345.86x = 58,691,121.68
  5. Step 5: Solve for x
    x = 58,691,121.68/11,345.86
  6. Step 6: Final answer
    x = 5,172.91

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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.