Home / 11,832.40-17,748.63-3,512.45

Finding the Fourth Proportional to 11,832.40, 17,748.63 and 3,512.45

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Solution

The fourth proportional to 11,832.40, 17,748.63 and 3,512.45 is: 5,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.40 : 17,748.63 = 3,512.45 : x
  2. Step 2: Convert to fraction form
    11,832.40/17,748.63 = 3,512.45/x
  3. Step 3: Cross multiply
    11,832.40x = 17,748.63 × 3,512.45
  4. Step 4: Simplify right side
    11,832.40x = 62,341,153.26
  5. Step 5: Solve for x
    x = 62,341,153.26/11,832.40
  6. Step 6: Final answer
    x = 5,268.68

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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.