Home / 12,079.84-16,671.04-6,702.54

Finding the Fourth Proportional to 12,079.84, 16,671.04 and 6,702.54

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Solution

The fourth proportional to 12,079.84, 16,671.04 and 6,702.54 is: 9,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.84 : 16,671.04 = 6,702.54 : x
  2. Step 2: Convert to fraction form
    12,079.84/16,671.04 = 6,702.54/x
  3. Step 3: Cross multiply
    12,079.84x = 16,671.04 × 6,702.54
  4. Step 4: Simplify right side
    12,079.84x = 111,738,312.44
  5. Step 5: Solve for x
    x = 111,738,312.44/12,079.84
  6. Step 6: Final answer
    x = 9,249.98

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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.