Home / 11,984.80-16,537.68-6,947.98

Finding the Fourth Proportional to 11,984.80, 16,537.68 and 6,947.98

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Solution

The fourth proportional to 11,984.80, 16,537.68 and 6,947.98 is: 9,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.80 : 16,537.68 = 6,947.98 : x
  2. Step 2: Convert to fraction form
    11,984.80/16,537.68 = 6,947.98/x
  3. Step 3: Cross multiply
    11,984.80x = 16,537.68 × 6,947.98
  4. Step 4: Simplify right side
    11,984.80x = 114,903,469.89
  5. Step 5: Solve for x
    x = 114,903,469.89/11,984.80
  6. Step 6: Final answer
    x = 9,587.43

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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.