Home / 11,675.19-16,111.43-6,370

Finding the Fourth Proportional to 11,675.19, 16,111.43 and 6,370

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Solution

The fourth proportional to 11,675.19, 16,111.43 and 6,370 is: 8,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.19 : 16,111.43 = 6,370 : x
  2. Step 2: Convert to fraction form
    11,675.19/16,111.43 = 6,370/x
  3. Step 3: Cross multiply
    11,675.19x = 16,111.43 × 6,370
  4. Step 4: Simplify right side
    11,675.19x = 102,629,809.10
  5. Step 5: Solve for x
    x = 102,629,809.10/11,675.19
  6. Step 6: Final answer
    x = 8,790.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.