Home / 8,087.15-12,130.79-2,244.21

Finding the Fourth Proportional to 8,087.15, 12,130.79 and 2,244.21

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Solution

The fourth proportional to 8,087.15, 12,130.79 and 2,244.21 is: 3,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.15 : 12,130.79 = 2,244.21 : x
  2. Step 2: Convert to fraction form
    8,087.15/12,130.79 = 2,244.21/x
  3. Step 3: Cross multiply
    8,087.15x = 12,130.79 × 2,244.21
  4. Step 4: Simplify right side
    8,087.15x = 27,224,029.00
  5. Step 5: Solve for x
    x = 27,224,029.00/8,087.15
  6. Step 6: Final answer
    x = 3,366.33

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Double scale
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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.