Home / 11,197.23-16,784.70-5,347

Finding the Fourth Proportional to 11,197.23, 16,784.70 and 5,347

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Solution

The fourth proportional to 11,197.23, 16,784.70 and 5,347 is: 8,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.23 : 16,784.70 = 5,347 : x
  2. Step 2: Convert to fraction form
    11,197.23/16,784.70 = 5,347/x
  3. Step 3: Cross multiply
    11,197.23x = 16,784.70 × 5,347
  4. Step 4: Simplify right side
    11,197.23x = 89,747,790.90
  5. Step 5: Solve for x
    x = 89,747,790.90/11,197.23
  6. Step 6: Final answer
    x = 8,015.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.