Home / 11,817.26-16,308.10-6,512.08

Finding the Fourth Proportional to 11,817.26, 16,308.10 and 6,512.08

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Solution

The fourth proportional to 11,817.26, 16,308.10 and 6,512.08 is: 8,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.26 : 16,308.10 = 6,512.08 : x
  2. Step 2: Convert to fraction form
    11,817.26/16,308.10 = 6,512.08/x
  3. Step 3: Cross multiply
    11,817.26x = 16,308.10 × 6,512.08
  4. Step 4: Simplify right side
    11,817.26x = 106,199,570.31
  5. Step 5: Solve for x
    x = 106,199,570.31/11,817.26
  6. Step 6: Final answer
    x = 8,986.82

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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.