Home / 10,998.87-16,498.30-3,603.37

Finding the Fourth Proportional to 10,998.87, 16,498.30 and 3,603.37

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Solution

The fourth proportional to 10,998.87, 16,498.30 and 3,603.37 is: 5,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.87 : 16,498.30 = 3,603.37 : x
  2. Step 2: Convert to fraction form
    10,998.87/16,498.30 = 3,603.37/x
  3. Step 3: Cross multiply
    10,998.87x = 16,498.30 × 3,603.37
  4. Step 4: Simplify right side
    10,998.87x = 59,449,396.78
  5. Step 5: Solve for x
    x = 59,449,396.78/10,998.87
  6. Step 6: Final answer
    x = 5,405.05

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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.