Home / 8,103.81-11,183.26-4,377.81

Finding the Fourth Proportional to 8,103.81, 11,183.26 and 4,377.81

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Solution

The fourth proportional to 8,103.81, 11,183.26 and 4,377.81 is: 6,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.81 : 11,183.26 = 4,377.81 : x
  2. Step 2: Convert to fraction form
    8,103.81/11,183.26 = 4,377.81/x
  3. Step 3: Cross multiply
    8,103.81x = 11,183.26 × 4,377.81
  4. Step 4: Simplify right side
    8,103.81x = 48,958,187.46
  5. Step 5: Solve for x
    x = 48,958,187.46/8,103.81
  6. Step 6: Final answer
    x = 6,041.38

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Find fourth proportional to 4,051.91, 5,591.63 and 2,188.91
Half scale
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Double scale
Find fourth proportional to 8,104.81, 11,184.64 and 4,378.81
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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.