Home / 11,419.60-17,131.84-4,848.88

Finding the Fourth Proportional to 11,419.60, 17,131.84 and 4,848.88

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Solution

The fourth proportional to 11,419.60, 17,131.84 and 4,848.88 is: 7,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.60 : 17,131.84 = 4,848.88 : x
  2. Step 2: Convert to fraction form
    11,419.60/17,131.84 = 4,848.88/x
  3. Step 3: Cross multiply
    11,419.60x = 17,131.84 × 4,848.88
  4. Step 4: Simplify right side
    11,419.60x = 83,070,236.34
  5. Step 5: Solve for x
    x = 83,070,236.34/11,419.60
  6. Step 6: Final answer
    x = 7,274.36

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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.