Home / 7,626.24-11,438.52-2,431.44

Finding the Fourth Proportional to 7,626.24, 11,438.52 and 2,431.44

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Solution

The fourth proportional to 7,626.24, 11,438.52 and 2,431.44 is: 3,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.24 : 11,438.52 = 2,431.44 : x
  2. Step 2: Convert to fraction form
    7,626.24/11,438.52 = 2,431.44/x
  3. Step 3: Cross multiply
    7,626.24x = 11,438.52 × 2,431.44
  4. Step 4: Simplify right side
    7,626.24x = 27,812,075.07
  5. Step 5: Solve for x
    x = 27,812,075.07/7,626.24
  6. Step 6: Final answer
    x = 3,646.89

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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.