Home / 11,701.63-16,147.65-6,396.44

Finding the Fourth Proportional to 11,701.63, 16,147.65 and 6,396.44

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Solution

The fourth proportional to 11,701.63, 16,147.65 and 6,396.44 is: 8,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.63 : 16,147.65 = 6,396.44 : x
  2. Step 2: Convert to fraction form
    11,701.63/16,147.65 = 6,396.44/x
  3. Step 3: Cross multiply
    11,701.63x = 16,147.65 × 6,396.44
  4. Step 4: Simplify right side
    11,701.63x = 103,287,417.61
  5. Step 5: Solve for x
    x = 103,287,417.61/11,701.63
  6. Step 6: Final answer
    x = 8,826.75

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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.