Home / 11,129.32-16,695.12-4,554.44

Finding the Fourth Proportional to 11,129.32, 16,695.12 and 4,554.44

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Solution

The fourth proportional to 11,129.32, 16,695.12 and 4,554.44 is: 6,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.32 : 16,695.12 = 4,554.44 : x
  2. Step 2: Convert to fraction form
    11,129.32/16,695.12 = 4,554.44/x
  3. Step 3: Cross multiply
    11,129.32x = 16,695.12 × 4,554.44
  4. Step 4: Simplify right side
    11,129.32x = 76,036,922.33
  5. Step 5: Solve for x
    x = 76,036,922.33/11,129.32
  6. Step 6: Final answer
    x = 6,832.13

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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.