Home / 7,383.96-11,075.12-2,639.11

Finding the Fourth Proportional to 7,383.96, 11,075.12 and 2,639.11

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Solution

The fourth proportional to 7,383.96, 11,075.12 and 2,639.11 is: 3,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.96 : 11,075.12 = 2,639.11 : x
  2. Step 2: Convert to fraction form
    7,383.96/11,075.12 = 2,639.11/x
  3. Step 3: Cross multiply
    7,383.96x = 11,075.12 × 2,639.11
  4. Step 4: Simplify right side
    7,383.96x = 29,228,459.94
  5. Step 5: Solve for x
    x = 29,228,459.94/7,383.96
  6. Step 6: Final answer
    x = 3,958.37

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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.