Home / 11,761.19-16,230.75-6,726.23

Finding the Fourth Proportional to 11,761.19, 16,230.75 and 6,726.23

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Solution

The fourth proportional to 11,761.19, 16,230.75 and 6,726.23 is: 9,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.19 : 16,230.75 = 6,726.23 : x
  2. Step 2: Convert to fraction form
    11,761.19/16,230.75 = 6,726.23/x
  3. Step 3: Cross multiply
    11,761.19x = 16,230.75 × 6,726.23
  4. Step 4: Simplify right side
    11,761.19x = 109,171,757.57
  5. Step 5: Solve for x
    x = 109,171,757.57/11,761.19
  6. Step 6: Final answer
    x = 9,282.37

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Half scale
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Double scale
Find fourth proportional to 11,762.19, 16,232.13 and 6,727.23
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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.