Home / 10,983.90-16,453.45-6,811.10

Finding the Fourth Proportional to 10,983.90, 16,453.45 and 6,811.10

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Solution

The fourth proportional to 10,983.90, 16,453.45 and 6,811.10 is: 10,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.90 : 16,453.45 = 6,811.10 : x
  2. Step 2: Convert to fraction form
    10,983.90/16,453.45 = 6,811.10/x
  3. Step 3: Cross multiply
    10,983.90x = 16,453.45 × 6,811.10
  4. Step 4: Simplify right side
    10,983.90x = 112,066,093.30
  5. Step 5: Solve for x
    x = 112,066,093.30/10,983.90
  6. Step 6: Final answer
    x = 10,202.76

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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.