Home / 11,675.49-16,112.01-6,370.20

Finding the Fourth Proportional to 11,675.49, 16,112.01 and 6,370.20

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Solution

The fourth proportional to 11,675.49, 16,112.01 and 6,370.20 is: 8,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.49 : 16,112.01 = 6,370.20 : x
  2. Step 2: Convert to fraction form
    11,675.49/16,112.01 = 6,370.20/x
  3. Step 3: Cross multiply
    11,675.49x = 16,112.01 × 6,370.20
  4. Step 4: Simplify right side
    11,675.49x = 102,636,726.10
  5. Step 5: Solve for x
    x = 102,636,726.10/11,675.49
  6. Step 6: Final answer
    x = 8,790.79

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1.5x scale

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.