Home / 10,742.99-16,118.55-4,173.80

Finding the Fourth Proportional to 10,742.99, 16,118.55 and 4,173.80

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Solution

The fourth proportional to 10,742.99, 16,118.55 and 4,173.80 is: 6,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.99 : 16,118.55 = 4,173.80 : x
  2. Step 2: Convert to fraction form
    10,742.99/16,118.55 = 4,173.80/x
  3. Step 3: Cross multiply
    10,742.99x = 16,118.55 × 4,173.80
  4. Step 4: Simplify right side
    10,742.99x = 67,275,523.40
  5. Step 5: Solve for x
    x = 67,275,523.40/10,742.99
  6. Step 6: Final answer
    x = 6,262.27

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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.