Home / 11,961.76-16,507.09-6,584.08

Finding the Fourth Proportional to 11,961.76, 16,507.09 and 6,584.08

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Solution

The fourth proportional to 11,961.76, 16,507.09 and 6,584.08 is: 9,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.76 : 16,507.09 = 6,584.08 : x
  2. Step 2: Convert to fraction form
    11,961.76/16,507.09 = 6,584.08/x
  3. Step 3: Cross multiply
    11,961.76x = 16,507.09 × 6,584.08
  4. Step 4: Simplify right side
    11,961.76x = 108,683,918.59
  5. Step 5: Solve for x
    x = 108,683,918.59/11,961.76
  6. Step 6: Final answer
    x = 9,085.95

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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.