Home / 8,111.23-11,193.66-4,573.75

Finding the Fourth Proportional to 8,111.23, 11,193.66 and 4,573.75

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Solution

The fourth proportional to 8,111.23, 11,193.66 and 4,573.75 is: 6,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.23 : 11,193.66 = 4,573.75 : x
  2. Step 2: Convert to fraction form
    8,111.23/11,193.66 = 4,573.75/x
  3. Step 3: Cross multiply
    8,111.23x = 11,193.66 × 4,573.75
  4. Step 4: Simplify right side
    8,111.23x = 51,197,002.43
  5. Step 5: Solve for x
    x = 51,197,002.43/8,111.23
  6. Step 6: Final answer
    x = 6,311.87

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Half scale
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Double scale
Find fourth proportional to 8,112.23, 11,195.04 and 4,574.75
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.