Home / 11,722.86-17,596.44-7,854.30

Finding the Fourth Proportional to 11,722.86, 17,596.44 and 7,854.30

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Solution

The fourth proportional to 11,722.86, 17,596.44 and 7,854.30 is: 11,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.86 : 17,596.44 = 7,854.30 : x
  2. Step 2: Convert to fraction form
    11,722.86/17,596.44 = 7,854.30/x
  3. Step 3: Cross multiply
    11,722.86x = 17,596.44 × 7,854.30
  4. Step 4: Simplify right side
    11,722.86x = 138,207,718.69
  5. Step 5: Solve for x
    x = 138,207,718.69/11,722.86
  6. Step 6: Final answer
    x = 11,789.59

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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.