Home / 11,701.17-16,147.62-6,396

Finding the Fourth Proportional to 11,701.17, 16,147.62 and 6,396

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Solution

The fourth proportional to 11,701.17, 16,147.62 and 6,396 is: 8,826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.17 : 16,147.62 = 6,396 : x
  2. Step 2: Convert to fraction form
    11,701.17/16,147.62 = 6,396/x
  3. Step 3: Cross multiply
    11,701.17x = 16,147.62 × 6,396
  4. Step 4: Simplify right side
    11,701.17x = 103,280,177.52
  5. Step 5: Solve for x
    x = 103,280,177.52/11,701.17
  6. Step 6: Final answer
    x = 8,826.48

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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.