Home / 11,659.88-16,090.66-6,354.70

Finding the Fourth Proportional to 11,659.88, 16,090.66 and 6,354.70

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Solution

The fourth proportional to 11,659.88, 16,090.66 and 6,354.70 is: 8,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.88 : 16,090.66 = 6,354.70 : x
  2. Step 2: Convert to fraction form
    11,659.88/16,090.66 = 6,354.70/x
  3. Step 3: Cross multiply
    11,659.88x = 16,090.66 × 6,354.70
  4. Step 4: Simplify right side
    11,659.88x = 102,251,260.99
  5. Step 5: Solve for x
    x = 102,251,260.99/11,659.88
  6. Step 6: Final answer
    x = 8,769.49

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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.