Home / 8,408.33-11,603.37-4,871.46

Finding the Fourth Proportional to 8,408.33, 11,603.37 and 4,871.46

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Solution

The fourth proportional to 8,408.33, 11,603.37 and 4,871.46 is: 6,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.33 : 11,603.37 = 4,871.46 : x
  2. Step 2: Convert to fraction form
    8,408.33/11,603.37 = 4,871.46/x
  3. Step 3: Cross multiply
    8,408.33x = 11,603.37 × 4,871.46
  4. Step 4: Simplify right side
    8,408.33x = 56,525,352.82
  5. Step 5: Solve for x
    x = 56,525,352.82/8,408.33
  6. Step 6: Final answer
    x = 6,722.54

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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.