Home / 11,890.10-17,832.99-4,492.12

Finding the Fourth Proportional to 11,890.10, 17,832.99 and 4,492.12

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Solution

The fourth proportional to 11,890.10, 17,832.99 and 4,492.12 is: 6,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.10 : 17,832.99 = 4,492.12 : x
  2. Step 2: Convert to fraction form
    11,890.10/17,832.99 = 4,492.12/x
  3. Step 3: Cross multiply
    11,890.10x = 17,832.99 × 4,492.12
  4. Step 4: Simplify right side
    11,890.10x = 80,107,931.04
  5. Step 5: Solve for x
    x = 80,107,931.04/11,890.10
  6. Step 6: Final answer
    x = 6,737.36

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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.