Home / 8,208.36-11,327.38-4,671.49

Finding the Fourth Proportional to 8,208.36, 11,327.38 and 4,671.49

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Solution

The fourth proportional to 8,208.36, 11,327.38 and 4,671.49 is: 6,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.36 : 11,327.38 = 4,671.49 : x
  2. Step 2: Convert to fraction form
    8,208.36/11,327.38 = 4,671.49/x
  3. Step 3: Cross multiply
    8,208.36x = 11,327.38 × 4,671.49
  4. Step 4: Simplify right side
    8,208.36x = 52,915,742.40
  5. Step 5: Solve for x
    x = 52,915,742.40/8,208.36
  6. Step 6: Final answer
    x = 6,446.57

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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.