Home / 10,950.80-16,429.84-3,555.50

Finding the Fourth Proportional to 10,950.80, 16,429.84 and 3,555.50

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Solution

The fourth proportional to 10,950.80, 16,429.84 and 3,555.50 is: 5,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.80 : 16,429.84 = 3,555.50 : x
  2. Step 2: Convert to fraction form
    10,950.80/16,429.84 = 3,555.50/x
  3. Step 3: Cross multiply
    10,950.80x = 16,429.84 × 3,555.50
  4. Step 4: Simplify right side
    10,950.80x = 58,416,205.08
  5. Step 5: Solve for x
    x = 58,416,205.08/10,950.80
  6. Step 6: Final answer
    x = 5,334.43

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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.