Home / 11,087.87-16,625.66-3,688.30

Finding the Fourth Proportional to 11,087.87, 16,625.66 and 3,688.30

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Solution

The fourth proportional to 11,087.87, 16,625.66 and 3,688.30 is: 5,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.87 : 16,625.66 = 3,688.30 : x
  2. Step 2: Convert to fraction form
    11,087.87/16,625.66 = 3,688.30/x
  3. Step 3: Cross multiply
    11,087.87x = 16,625.66 × 3,688.30
  4. Step 4: Simplify right side
    11,087.87x = 61,320,369.54
  5. Step 5: Solve for x
    x = 61,320,369.54/11,087.87
  6. Step 6: Final answer
    x = 5,530.40

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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.