Home / 11,909.73-16,435.34-6,604.56

Finding the Fourth Proportional to 11,909.73, 16,435.34 and 6,604.56

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Solution

The fourth proportional to 11,909.73, 16,435.34 and 6,604.56 is: 9,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.73 : 16,435.34 = 6,604.56 : x
  2. Step 2: Convert to fraction form
    11,909.73/16,435.34 = 6,604.56/x
  3. Step 3: Cross multiply
    11,909.73x = 16,435.34 × 6,604.56
  4. Step 4: Simplify right side
    11,909.73x = 108,548,156.13
  5. Step 5: Solve for x
    x = 108,548,156.13/11,909.73
  6. Step 6: Final answer
    x = 9,114.24

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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.