Home / 12,081.25-16,671.02-6,775.04

Finding the Fourth Proportional to 12,081.25, 16,671.02 and 6,775.04

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Solution

The fourth proportional to 12,081.25, 16,671.02 and 6,775.04 is: 9,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.25 : 16,671.02 = 6,775.04 : x
  2. Step 2: Convert to fraction form
    12,081.25/16,671.02 = 6,775.04/x
  3. Step 3: Cross multiply
    12,081.25x = 16,671.02 × 6,775.04
  4. Step 4: Simplify right side
    12,081.25x = 112,946,835.14
  5. Step 5: Solve for x
    x = 112,946,835.14/12,081.25
  6. Step 6: Final answer
    x = 9,348.94

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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.