Home / 11,712.48-17,571.53-3,393.07

Finding the Fourth Proportional to 11,712.48, 17,571.53 and 3,393.07

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Solution

The fourth proportional to 11,712.48, 17,571.53 and 3,393.07 is: 5,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.48 : 17,571.53 = 3,393.07 : x
  2. Step 2: Convert to fraction form
    11,712.48/17,571.53 = 3,393.07/x
  3. Step 3: Cross multiply
    11,712.48x = 17,571.53 × 3,393.07
  4. Step 4: Simplify right side
    11,712.48x = 59,621,370.40
  5. Step 5: Solve for x
    x = 59,621,370.40/11,712.48
  6. Step 6: Final answer
    x = 5,090.41

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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.