Home / 8,006.12-12,003.43-3,787.03

Finding the Fourth Proportional to 8,006.12, 12,003.43 and 3,787.03

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Solution

The fourth proportional to 8,006.12, 12,003.43 and 3,787.03 is: 5,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.12 : 12,003.43 = 3,787.03 : x
  2. Step 2: Convert to fraction form
    8,006.12/12,003.43 = 3,787.03/x
  3. Step 3: Cross multiply
    8,006.12x = 12,003.43 × 3,787.03
  4. Step 4: Simplify right side
    8,006.12x = 45,457,349.51
  5. Step 5: Solve for x
    x = 45,457,349.51/8,006.12
  6. Step 6: Final answer
    x = 5,677.83

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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.