Home / 11,007.58-15,190.47-5,971.80

Finding the Fourth Proportional to 11,007.58, 15,190.47 and 5,971.80

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Solution

The fourth proportional to 11,007.58, 15,190.47 and 5,971.80 is: 8,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.58 : 15,190.47 = 5,971.80 : x
  2. Step 2: Convert to fraction form
    11,007.58/15,190.47 = 5,971.80/x
  3. Step 3: Cross multiply
    11,007.58x = 15,190.47 × 5,971.80
  4. Step 4: Simplify right side
    11,007.58x = 90,714,448.75
  5. Step 5: Solve for x
    x = 90,714,448.75/11,007.58
  6. Step 6: Final answer
    x = 8,241.09

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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.