Home / 7,091.46-9,786.63-4,108.23

Finding the Fourth Proportional to 7,091.46, 9,786.63 and 4,108.23

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Solution

The fourth proportional to 7,091.46, 9,786.63 and 4,108.23 is: 5,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.46 : 9,786.63 = 4,108.23 : x
  2. Step 2: Convert to fraction form
    7,091.46/9,786.63 = 4,108.23/x
  3. Step 3: Cross multiply
    7,091.46x = 9,786.63 × 4,108.23
  4. Step 4: Simplify right side
    7,091.46x = 40,205,726.96
  5. Step 5: Solve for x
    x = 40,205,726.96/7,091.46
  6. Step 6: Final answer
    x = 5,669.60

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Half scale
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Double scale
Find fourth proportional to 7,092.46, 9,788.01 and 4,109.23
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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.