Home / 11,075.12-16,608.32-3,281.84

Finding the Fourth Proportional to 11,075.12, 16,608.32 and 3,281.84

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Solution

The fourth proportional to 11,075.12, 16,608.32 and 3,281.84 is: 4,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.12 : 16,608.32 = 3,281.84 : x
  2. Step 2: Convert to fraction form
    11,075.12/16,608.32 = 3,281.84/x
  3. Step 3: Cross multiply
    11,075.12x = 16,608.32 × 3,281.84
  4. Step 4: Simplify right side
    11,075.12x = 54,505,848.91
  5. Step 5: Solve for x
    x = 54,505,848.91/11,075.12
  6. Step 6: Final answer
    x = 4,921.47

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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.