Home / 10,982.10-16,473.15-10,909.20

Finding the Fourth Proportional to 10,982.10, 16,473.15 and 10,909.20

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Solution

The fourth proportional to 10,982.10, 16,473.15 and 10,909.20 is: 16,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.10 : 16,473.15 = 10,909.20 : x
  2. Step 2: Convert to fraction form
    10,982.10/16,473.15 = 10,909.20/x
  3. Step 3: Cross multiply
    10,982.10x = 16,473.15 × 10,909.20
  4. Step 4: Simplify right side
    10,982.10x = 179,708,887.98
  5. Step 5: Solve for x
    x = 179,708,887.98/10,982.10
  6. Step 6: Final answer
    x = 16,363.80

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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.