Home / 11,754.44-16,216.98-7,215.56

Finding the Fourth Proportional to 11,754.44, 16,216.98 and 7,215.56

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Solution

The fourth proportional to 11,754.44, 16,216.98 and 7,215.56 is: 9,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.44 : 16,216.98 = 7,215.56 : x
  2. Step 2: Convert to fraction form
    11,754.44/16,216.98 = 7,215.56/x
  3. Step 3: Cross multiply
    11,754.44x = 16,216.98 × 7,215.56
  4. Step 4: Simplify right side
    11,754.44x = 117,014,592.21
  5. Step 5: Solve for x
    x = 117,014,592.21/11,754.44
  6. Step 6: Final answer
    x = 9,954.93

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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.