Home / 8,512.49-11,745.47-4,975.02

Finding the Fourth Proportional to 8,512.49, 11,745.47 and 4,975.02

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Solution

The fourth proportional to 8,512.49, 11,745.47 and 4,975.02 is: 6,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.49 : 11,745.47 = 4,975.02 : x
  2. Step 2: Convert to fraction form
    8,512.49/11,745.47 = 4,975.02/x
  3. Step 3: Cross multiply
    8,512.49x = 11,745.47 × 4,975.02
  4. Step 4: Simplify right side
    8,512.49x = 58,433,960.60
  5. Step 5: Solve for x
    x = 58,433,960.60/8,512.49
  6. Step 6: Final answer
    x = 6,864.49

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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.