Home / 8,111.26-11,193.52-4,385.26

Finding the Fourth Proportional to 8,111.26, 11,193.52 and 4,385.26

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Solution

The fourth proportional to 8,111.26, 11,193.52 and 4,385.26 is: 6,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.26 : 11,193.52 = 4,385.26 : x
  2. Step 2: Convert to fraction form
    8,111.26/11,193.52 = 4,385.26/x
  3. Step 3: Cross multiply
    8,111.26x = 11,193.52 × 4,385.26
  4. Step 4: Simplify right side
    8,111.26x = 49,086,495.52
  5. Step 5: Solve for x
    x = 49,086,495.52/8,111.26
  6. Step 6: Final answer
    x = 6,051.65

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Half scale
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Double scale
Find fourth proportional to 8,112.26, 11,194.90 and 4,386.26
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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.