Home / 10,992.30-16,488.21-2,672.36

Finding the Fourth Proportional to 10,992.30, 16,488.21 and 2,672.36

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Solution

The fourth proportional to 10,992.30, 16,488.21 and 2,672.36 is: 4,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.30 : 16,488.21 = 2,672.36 : x
  2. Step 2: Convert to fraction form
    10,992.30/16,488.21 = 2,672.36/x
  3. Step 3: Cross multiply
    10,992.30x = 16,488.21 × 2,672.36
  4. Step 4: Simplify right side
    10,992.30x = 44,062,432.88
  5. Step 5: Solve for x
    x = 44,062,432.88/10,992.30
  6. Step 6: Final answer
    x = 4,008.48

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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.