Home / 11,678.11-16,116.31-6,575.38

Finding the Fourth Proportional to 11,678.11, 16,116.31 and 6,575.38

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Solution

The fourth proportional to 11,678.11, 16,116.31 and 6,575.38 is: 9,074.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.11 : 16,116.31 = 6,575.38 : x
  2. Step 2: Convert to fraction form
    11,678.11/16,116.31 = 6,575.38/x
  3. Step 3: Cross multiply
    11,678.11x = 16,116.31 × 6,575.38
  4. Step 4: Simplify right side
    11,678.11x = 105,970,805.72
  5. Step 5: Solve for x
    x = 105,970,805.72/11,678.11
  6. Step 6: Final answer
    x = 9,074.32

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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.