Home / 12,883.62-19,310.58-5,853.10

Finding the Fourth Proportional to 12,883.62, 19,310.58 and 5,853.10

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Solution

The fourth proportional to 12,883.62, 19,310.58 and 5,853.10 is: 8,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883.62 : 19,310.58 = 5,853.10 : x
  2. Step 2: Convert to fraction form
    12,883.62/19,310.58 = 5,853.10/x
  3. Step 3: Cross multiply
    12,883.62x = 19,310.58 × 5,853.10
  4. Step 4: Simplify right side
    12,883.62x = 113,026,755.80
  5. Step 5: Solve for x
    x = 113,026,755.80/12,883.62
  6. Step 6: Final answer
    x = 8,772.90

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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.