Home / 11,125.86-16,690.62-4,550.28

Finding the Fourth Proportional to 11,125.86, 16,690.62 and 4,550.28

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Solution

The fourth proportional to 11,125.86, 16,690.62 and 4,550.28 is: 6,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.86 : 16,690.62 = 4,550.28 : x
  2. Step 2: Convert to fraction form
    11,125.86/16,690.62 = 4,550.28/x
  3. Step 3: Cross multiply
    11,125.86x = 16,690.62 × 4,550.28
  4. Step 4: Simplify right side
    11,125.86x = 75,946,994.37
  5. Step 5: Solve for x
    x = 75,946,994.37/11,125.86
  6. Step 6: Final answer
    x = 6,826.17

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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.