Home / 12,075.25-18,110.93-3,308.11

Finding the Fourth Proportional to 12,075.25, 18,110.93 and 3,308.11

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Solution

The fourth proportional to 12,075.25, 18,110.93 and 3,308.11 is: 4,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.25 : 18,110.93 = 3,308.11 : x
  2. Step 2: Convert to fraction form
    12,075.25/18,110.93 = 3,308.11/x
  3. Step 3: Cross multiply
    12,075.25x = 18,110.93 × 3,308.11
  4. Step 4: Simplify right side
    12,075.25x = 59,912,948.64
  5. Step 5: Solve for x
    x = 59,912,948.64/12,075.25
  6. Step 6: Final answer
    x = 4,961.63

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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.