Home / 8,045.19-11,105.37-7,204.41

Finding the Fourth Proportional to 8,045.19, 11,105.37 and 7,204.41

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Solution

The fourth proportional to 8,045.19, 11,105.37 and 7,204.41 is: 9,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.19 : 11,105.37 = 7,204.41 : x
  2. Step 2: Convert to fraction form
    8,045.19/11,105.37 = 7,204.41/x
  3. Step 3: Cross multiply
    8,045.19x = 11,105.37 × 7,204.41
  4. Step 4: Simplify right side
    8,045.19x = 80,007,638.68
  5. Step 5: Solve for x
    x = 80,007,638.68/8,045.19
  6. Step 6: Final answer
    x = 9,944.78

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Half scale
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Double scale
Find fourth proportional to 8,046.19, 11,106.75 and 7,205.41
Similar ratio
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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.