Home / 11,745.50-17,619.08-4,725.55

Finding the Fourth Proportional to 11,745.50, 17,619.08 and 4,725.55

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Solution

The fourth proportional to 11,745.50, 17,619.08 and 4,725.55 is: 7,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.50 : 17,619.08 = 4,725.55 : x
  2. Step 2: Convert to fraction form
    11,745.50/17,619.08 = 4,725.55/x
  3. Step 3: Cross multiply
    11,745.50x = 17,619.08 × 4,725.55
  4. Step 4: Simplify right side
    11,745.50x = 83,259,843.49
  5. Step 5: Solve for x
    x = 83,259,843.49/11,745.50
  6. Step 6: Final answer
    x = 7,088.66

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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.