Home / 7,331.96-10,989.67-3,636.83

Finding the Fourth Proportional to 7,331.96, 10,989.67 and 3,636.83

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Solution

The fourth proportional to 7,331.96, 10,989.67 and 3,636.83 is: 5,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.96 : 10,989.67 = 3,636.83 : x
  2. Step 2: Convert to fraction form
    7,331.96/10,989.67 = 3,636.83/x
  3. Step 3: Cross multiply
    7,331.96x = 10,989.67 × 3,636.83
  4. Step 4: Simplify right side
    7,331.96x = 39,967,543.36
  5. Step 5: Solve for x
    x = 39,967,543.36/7,331.96
  6. Step 6: Final answer
    x = 5,451.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.