Home / 10,783.80-16,176.34-2,992.44

Finding the Fourth Proportional to 10,783.80, 16,176.34 and 2,992.44

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Solution

The fourth proportional to 10,783.80, 16,176.34 and 2,992.44 is: 4,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.80 : 16,176.34 = 2,992.44 : x
  2. Step 2: Convert to fraction form
    10,783.80/16,176.34 = 2,992.44/x
  3. Step 3: Cross multiply
    10,783.80x = 16,176.34 × 2,992.44
  4. Step 4: Simplify right side
    10,783.80x = 48,406,726.87
  5. Step 5: Solve for x
    x = 48,406,726.87/10,783.80
  6. Step 6: Final answer
    x = 4,488.84

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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.