Home / 11,671.75-16,107.02-7,480.27

Finding the Fourth Proportional to 11,671.75, 16,107.02 and 7,480.27

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Solution

The fourth proportional to 11,671.75, 16,107.02 and 7,480.27 is: 10,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.75 : 16,107.02 = 7,480.27 : x
  2. Step 2: Convert to fraction form
    11,671.75/16,107.02 = 7,480.27/x
  3. Step 3: Cross multiply
    11,671.75x = 16,107.02 × 7,480.27
  4. Step 4: Simplify right side
    11,671.75x = 120,484,858.50
  5. Step 5: Solve for x
    x = 120,484,858.50/11,671.75
  6. Step 6: Final answer
    x = 10,322.78

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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.