Home / 10,798.48-16,198.40-3,403.20

Finding the Fourth Proportional to 10,798.48, 16,198.40 and 3,403.20

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Solution

The fourth proportional to 10,798.48, 16,198.40 and 3,403.20 is: 5,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,798.48 : 16,198.40 = 3,403.20 : x
  2. Step 2: Convert to fraction form
    10,798.48/16,198.40 = 3,403.20/x
  3. Step 3: Cross multiply
    10,798.48x = 16,198.40 × 3,403.20
  4. Step 4: Simplify right side
    10,798.48x = 55,126,394.88
  5. Step 5: Solve for x
    x = 55,126,394.88/10,798.48
  6. Step 6: Final answer
    x = 5,105.01

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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.