Home / 7,331.32-10,998.54-2,136.76

Finding the Fourth Proportional to 7,331.32, 10,998.54 and 2,136.76

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Solution

The fourth proportional to 7,331.32, 10,998.54 and 2,136.76 is: 3,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.32 : 10,998.54 = 2,136.76 : x
  2. Step 2: Convert to fraction form
    7,331.32/10,998.54 = 2,136.76/x
  3. Step 3: Cross multiply
    7,331.32x = 10,998.54 × 2,136.76
  4. Step 4: Simplify right side
    7,331.32x = 23,501,240.33
  5. Step 5: Solve for x
    x = 23,501,240.33/7,331.32
  6. Step 6: Final answer
    x = 3,205.59

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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.