Home / 8,057.40-12,088.38-2,863.80

Finding the Fourth Proportional to 8,057.40, 12,088.38 and 2,863.80

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Solution

The fourth proportional to 8,057.40, 12,088.38 and 2,863.80 is: 4,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.40 : 12,088.38 = 2,863.80 : x
  2. Step 2: Convert to fraction form
    8,057.40/12,088.38 = 2,863.80/x
  3. Step 3: Cross multiply
    8,057.40x = 12,088.38 × 2,863.80
  4. Step 4: Simplify right side
    8,057.40x = 34,618,702.64
  5. Step 5: Solve for x
    x = 34,618,702.64/8,057.40
  6. Step 6: Final answer
    x = 4,296.51

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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.