Home / 8,745.99-12,069.36-4,767.09

Finding the Fourth Proportional to 8,745.99, 12,069.36 and 4,767.09

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Solution

The fourth proportional to 8,745.99, 12,069.36 and 4,767.09 is: 6,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.99 : 12,069.36 = 4,767.09 : x
  2. Step 2: Convert to fraction form
    8,745.99/12,069.36 = 4,767.09/x
  3. Step 3: Cross multiply
    8,745.99x = 12,069.36 × 4,767.09
  4. Step 4: Simplify right side
    8,745.99x = 57,535,725.36
  5. Step 5: Solve for x
    x = 57,535,725.36/8,745.99
  6. Step 6: Final answer
    x = 6,578.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.