Home / 11,129.86-16,696.62-4,554.28

Finding the Fourth Proportional to 11,129.86, 16,696.62 and 4,554.28

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Solution

The fourth proportional to 11,129.86, 16,696.62 and 4,554.28 is: 6,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.86 : 16,696.62 = 4,554.28 : x
  2. Step 2: Convert to fraction form
    11,129.86/16,696.62 = 4,554.28/x
  3. Step 3: Cross multiply
    11,129.86x = 16,696.62 × 4,554.28
  4. Step 4: Simplify right side
    11,129.86x = 76,041,082.53
  5. Step 5: Solve for x
    x = 76,041,082.53/11,129.86
  6. Step 6: Final answer
    x = 6,832.17

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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.