Home / 11,493.06-15,859.82-6,457.48

Finding the Fourth Proportional to 11,493.06, 15,859.82 and 6,457.48

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Solution

The fourth proportional to 11,493.06, 15,859.82 and 6,457.48 is: 8,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.06 : 15,859.82 = 6,457.48 : x
  2. Step 2: Convert to fraction form
    11,493.06/15,859.82 = 6,457.48/x
  3. Step 3: Cross multiply
    11,493.06x = 15,859.82 × 6,457.48
  4. Step 4: Simplify right side
    11,493.06x = 102,414,470.45
  5. Step 5: Solve for x
    x = 102,414,470.45/11,493.06
  6. Step 6: Final answer
    x = 8,910.98

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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.