Home / 11,238.30-16,849.35-4,661.10

Finding the Fourth Proportional to 11,238.30, 16,849.35 and 4,661.10

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Solution

The fourth proportional to 11,238.30, 16,849.35 and 4,661.10 is: 6,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.30 : 16,849.35 = 4,661.10 : x
  2. Step 2: Convert to fraction form
    11,238.30/16,849.35 = 4,661.10/x
  3. Step 3: Cross multiply
    11,238.30x = 16,849.35 × 4,661.10
  4. Step 4: Simplify right side
    11,238.30x = 78,536,505.29
  5. Step 5: Solve for x
    x = 78,536,505.29/11,238.30
  6. Step 6: Final answer
    x = 6,988.29

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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.