Home / 12,075.34-18,110.23-3,310.93

Finding the Fourth Proportional to 12,075.34, 18,110.23 and 3,310.93

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Solution

The fourth proportional to 12,075.34, 18,110.23 and 3,310.93 is: 4,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.34 : 18,110.23 = 3,310.93 : x
  2. Step 2: Convert to fraction form
    12,075.34/18,110.23 = 3,310.93/x
  3. Step 3: Cross multiply
    12,075.34x = 18,110.23 × 3,310.93
  4. Step 4: Simplify right side
    12,075.34x = 59,961,703.81
  5. Step 5: Solve for x
    x = 59,961,703.81/12,075.34
  6. Step 6: Final answer
    x = 4,965.63

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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.