Home / 11,087.67-15,300.99-6,371.94

Finding the Fourth Proportional to 11,087.67, 15,300.99 and 6,371.94

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Solution

The fourth proportional to 11,087.67, 15,300.99 and 6,371.94 is: 8,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.67 : 15,300.99 = 6,371.94 : x
  2. Step 2: Convert to fraction form
    11,087.67/15,300.99 = 6,371.94/x
  3. Step 3: Cross multiply
    11,087.67x = 15,300.99 × 6,371.94
  4. Step 4: Simplify right side
    11,087.67x = 97,496,990.22
  5. Step 5: Solve for x
    x = 97,496,990.22/11,087.67
  6. Step 6: Final answer
    x = 8,793.28

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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.