Home / 11,994.88-17,985-4,969.36

Finding the Fourth Proportional to 11,994.88, 17,985 and 4,969.36

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Solution

The fourth proportional to 11,994.88, 17,985 and 4,969.36 is: 7,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.88 : 17,985 = 4,969.36 : x
  2. Step 2: Convert to fraction form
    11,994.88/17,985 = 4,969.36/x
  3. Step 3: Cross multiply
    11,994.88x = 17,985 × 4,969.36
  4. Step 4: Simplify right side
    11,994.88x = 89,373,939.60
  5. Step 5: Solve for x
    x = 89,373,939.60/11,994.88
  6. Step 6: Final answer
    x = 7,451.01

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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.