Home / 9,075.36-13,611.48-3,231.12

Finding the Fourth Proportional to 9,075.36, 13,611.48 and 3,231.12

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Solution

The fourth proportional to 9,075.36, 13,611.48 and 3,231.12 is: 4,846.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.36 : 13,611.48 = 3,231.12 : x
  2. Step 2: Convert to fraction form
    9,075.36/13,611.48 = 3,231.12/x
  3. Step 3: Cross multiply
    9,075.36x = 13,611.48 × 3,231.12
  4. Step 4: Simplify right side
    9,075.36x = 43,980,325.26
  5. Step 5: Solve for x
    x = 43,980,325.26/9,075.36
  6. Step 6: Final answer
    x = 4,846.12

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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.