Home / 10,950.58-16,421.82-3,928.60

Finding the Fourth Proportional to 10,950.58, 16,421.82 and 3,928.60

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Solution

The fourth proportional to 10,950.58, 16,421.82 and 3,928.60 is: 5,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.58 : 16,421.82 = 3,928.60 : x
  2. Step 2: Convert to fraction form
    10,950.58/16,421.82 = 3,928.60/x
  3. Step 3: Cross multiply
    10,950.58x = 16,421.82 × 3,928.60
  4. Step 4: Simplify right side
    10,950.58x = 64,514,762.05
  5. Step 5: Solve for x
    x = 64,514,762.05/10,950.58
  6. Step 6: Final answer
    x = 5,891.45

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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.