Home / 11,701.15-16,147.82-6,396.30

Finding the Fourth Proportional to 11,701.15, 16,147.82 and 6,396.30

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Solution

The fourth proportional to 11,701.15, 16,147.82 and 6,396.30 is: 8,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.15 : 16,147.82 = 6,396.30 : x
  2. Step 2: Convert to fraction form
    11,701.15/16,147.82 = 6,396.30/x
  3. Step 3: Cross multiply
    11,701.15x = 16,147.82 × 6,396.30
  4. Step 4: Simplify right side
    11,701.15x = 103,286,301.07
  5. Step 5: Solve for x
    x = 103,286,301.07/11,701.15
  6. Step 6: Final answer
    x = 8,827.02

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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.