Home / 12,049.81-18,075.17-3,284.64

Finding the Fourth Proportional to 12,049.81, 18,075.17 and 3,284.64

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Solution

The fourth proportional to 12,049.81, 18,075.17 and 3,284.64 is: 4,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.81 : 18,075.17 = 3,284.64 : x
  2. Step 2: Convert to fraction form
    12,049.81/18,075.17 = 3,284.64/x
  3. Step 3: Cross multiply
    12,049.81x = 18,075.17 × 3,284.64
  4. Step 4: Simplify right side
    12,049.81x = 59,370,434.60
  5. Step 5: Solve for x
    x = 59,370,434.60/12,049.81
  6. Step 6: Final answer
    x = 4,927.09

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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.