Home / 11,331.30-16,997.22-4,310.40

Finding the Fourth Proportional to 11,331.30, 16,997.22 and 4,310.40

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Solution

The fourth proportional to 11,331.30, 16,997.22 and 4,310.40 is: 6,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.30 : 16,997.22 = 4,310.40 : x
  2. Step 2: Convert to fraction form
    11,331.30/16,997.22 = 4,310.40/x
  3. Step 3: Cross multiply
    11,331.30x = 16,997.22 × 4,310.40
  4. Step 4: Simplify right side
    11,331.30x = 73,264,817.09
  5. Step 5: Solve for x
    x = 73,264,817.09/11,331.30
  6. Step 6: Final answer
    x = 6,465.70

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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.