Home / 8,075.36-12,113.03-2,231.96

Finding the Fourth Proportional to 8,075.36, 12,113.03 and 2,231.96

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Solution

The fourth proportional to 8,075.36, 12,113.03 and 2,231.96 is: 3,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.36 : 12,113.03 = 2,231.96 : x
  2. Step 2: Convert to fraction form
    8,075.36/12,113.03 = 2,231.96/x
  3. Step 3: Cross multiply
    8,075.36x = 12,113.03 × 2,231.96
  4. Step 4: Simplify right side
    8,075.36x = 27,035,743.45
  5. Step 5: Solve for x
    x = 27,035,743.45/8,075.36
  6. Step 6: Final answer
    x = 3,347.93

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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.