Home / 12,075.44-18,113.29-3,310.36

Finding the Fourth Proportional to 12,075.44, 18,113.29 and 3,310.36

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Solution

The fourth proportional to 12,075.44, 18,113.29 and 3,310.36 is: 4,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.44 : 18,113.29 = 3,310.36 : x
  2. Step 2: Convert to fraction form
    12,075.44/18,113.29 = 3,310.36/x
  3. Step 3: Cross multiply
    12,075.44x = 18,113.29 × 3,310.36
  4. Step 4: Simplify right side
    12,075.44x = 59,961,457.13
  5. Step 5: Solve for x
    x = 59,961,457.13/12,075.44
  6. Step 6: Final answer
    x = 4,965.57

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1.5x scale

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.