Home / 11,671.37-16,101.28-7,193.49

Finding the Fourth Proportional to 11,671.37, 16,101.28 and 7,193.49

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Solution

The fourth proportional to 11,671.37, 16,101.28 and 7,193.49 is: 9,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.37 : 16,101.28 = 7,193.49 : x
  2. Step 2: Convert to fraction form
    11,671.37/16,101.28 = 7,193.49/x
  3. Step 3: Cross multiply
    11,671.37x = 16,101.28 × 7,193.49
  4. Step 4: Simplify right side
    11,671.37x = 115,824,396.67
  5. Step 5: Solve for x
    x = 115,824,396.67/11,671.37
  6. Step 6: Final answer
    x = 9,923.80

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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.