Home / 11,595.57-16,001.60-6,879.75

Finding the Fourth Proportional to 11,595.57, 16,001.60 and 6,879.75

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Solution

The fourth proportional to 11,595.57, 16,001.60 and 6,879.75 is: 9,493.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.57 : 16,001.60 = 6,879.75 : x
  2. Step 2: Convert to fraction form
    11,595.57/16,001.60 = 6,879.75/x
  3. Step 3: Cross multiply
    11,595.57x = 16,001.60 × 6,879.75
  4. Step 4: Simplify right side
    11,595.57x = 110,086,973.20
  5. Step 5: Solve for x
    x = 110,086,973.20/11,595.57
  6. Step 6: Final answer
    x = 9,493.88

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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.