Home / 11,702.56-16,144.32-6,984.04

Finding the Fourth Proportional to 11,702.56, 16,144.32 and 6,984.04

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Solution

The fourth proportional to 11,702.56, 16,144.32 and 6,984.04 is: 9,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.56 : 16,144.32 = 6,984.04 : x
  2. Step 2: Convert to fraction form
    11,702.56/16,144.32 = 6,984.04/x
  3. Step 3: Cross multiply
    11,702.56x = 16,144.32 × 6,984.04
  4. Step 4: Simplify right side
    11,702.56x = 112,752,576.65
  5. Step 5: Solve for x
    x = 112,752,576.65/11,702.56
  6. Step 6: Final answer
    x = 9,634.86

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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.