Home / 11,193.56-16,784.76-6,515.12

Finding the Fourth Proportional to 11,193.56, 16,784.76 and 6,515.12

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Solution

The fourth proportional to 11,193.56, 16,784.76 and 6,515.12 is: 9,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.56 : 16,784.76 = 6,515.12 : x
  2. Step 2: Convert to fraction form
    11,193.56/16,784.76 = 6,515.12/x
  3. Step 3: Cross multiply
    11,193.56x = 16,784.76 × 6,515.12
  4. Step 4: Simplify right side
    11,193.56x = 109,354,725.57
  5. Step 5: Solve for x
    x = 109,354,725.57/11,193.56
  6. Step 6: Final answer
    x = 9,769.43

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1.5x scale

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.