Home / 11,619.76-16,035.27-6,314.56

Finding the Fourth Proportional to 11,619.76, 16,035.27 and 6,314.56

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Solution

The fourth proportional to 11,619.76, 16,035.27 and 6,314.56 is: 8,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.76 : 16,035.27 = 6,314.56 : x
  2. Step 2: Convert to fraction form
    11,619.76/16,035.27 = 6,314.56/x
  3. Step 3: Cross multiply
    11,619.76x = 16,035.27 × 6,314.56
  4. Step 4: Simplify right side
    11,619.76x = 101,255,674.53
  5. Step 5: Solve for x
    x = 101,255,674.53/11,619.76
  6. Step 6: Final answer
    x = 8,714.09

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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.