Home / 9,778.68-13,491.63-5,997.96

Finding the Fourth Proportional to 9,778.68, 13,491.63 and 5,997.96

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Solution

The fourth proportional to 9,778.68, 13,491.63 and 5,997.96 is: 8,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.68 : 13,491.63 = 5,997.96 : x
  2. Step 2: Convert to fraction form
    9,778.68/13,491.63 = 5,997.96/x
  3. Step 3: Cross multiply
    9,778.68x = 13,491.63 × 5,997.96
  4. Step 4: Simplify right side
    9,778.68x = 80,922,257.07
  5. Step 5: Solve for x
    x = 80,922,257.07/9,778.68
  6. Step 6: Final answer
    x = 8,275.38

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Find fourth proportional to 4,889.34, 6,745.82 and 2,998.98
Half scale
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Double scale
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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.