Home / 11,144.19-15,379.36-6,108.41

Finding the Fourth Proportional to 11,144.19, 15,379.36 and 6,108.41

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Solution

The fourth proportional to 11,144.19, 15,379.36 and 6,108.41 is: 8,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.19 : 15,379.36 = 6,108.41 : x
  2. Step 2: Convert to fraction form
    11,144.19/15,379.36 = 6,108.41/x
  3. Step 3: Cross multiply
    11,144.19x = 15,379.36 × 6,108.41
  4. Step 4: Simplify right side
    11,144.19x = 93,943,373.09
  5. Step 5: Solve for x
    x = 93,943,373.09/11,144.19
  6. Step 6: Final answer
    x = 8,429.81

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Half scale
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Double scale
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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.