Home / 11,007.96-15,190.86-5,972.16

Finding the Fourth Proportional to 11,007.96, 15,190.86 and 5,972.16

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Solution

The fourth proportional to 11,007.96, 15,190.86 and 5,972.16 is: 8,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.96 : 15,190.86 = 5,972.16 : x
  2. Step 2: Convert to fraction form
    11,007.96/15,190.86 = 5,972.16/x
  3. Step 3: Cross multiply
    11,007.96x = 15,190.86 × 5,972.16
  4. Step 4: Simplify right side
    11,007.96x = 90,722,246.46
  5. Step 5: Solve for x
    x = 90,722,246.46/11,007.96
  6. Step 6: Final answer
    x = 8,241.51

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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.