Home / 12,457.96-18,694.62-8,088.04

Finding the Fourth Proportional to 12,457.96, 18,694.62 and 8,088.04

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Solution

The fourth proportional to 12,457.96, 18,694.62 and 8,088.04 is: 12,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.96 : 18,694.62 = 8,088.04 : x
  2. Step 2: Convert to fraction form
    12,457.96/18,694.62 = 8,088.04/x
  3. Step 3: Cross multiply
    12,457.96x = 18,694.62 × 8,088.04
  4. Step 4: Simplify right side
    12,457.96x = 151,202,834.34
  5. Step 5: Solve for x
    x = 151,202,834.34/12,457.96
  6. Step 6: Final answer
    x = 12,137.05

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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.