Home / 8,111.86-11,194.53-4,574.38

Finding the Fourth Proportional to 8,111.86, 11,194.53 and 4,574.38

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Solution

The fourth proportional to 8,111.86, 11,194.53 and 4,574.38 is: 6,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.86 : 11,194.53 = 4,574.38 : x
  2. Step 2: Convert to fraction form
    8,111.86/11,194.53 = 4,574.38/x
  3. Step 3: Cross multiply
    8,111.86x = 11,194.53 × 4,574.38
  4. Step 4: Simplify right side
    8,111.86x = 51,207,955.30
  5. Step 5: Solve for x
    x = 51,207,955.30/8,111.86
  6. Step 6: Final answer
    x = 6,312.73

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Half scale
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Double scale
Find fourth proportional to 8,112.86, 11,195.91 and 4,575.38
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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.