Home / 10,767.03-16,116.71-7,415.61

Finding the Fourth Proportional to 10,767.03, 16,116.71 and 7,415.61

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Solution

The fourth proportional to 10,767.03, 16,116.71 and 7,415.61 is: 11,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,767.03 : 16,116.71 = 7,415.61 : x
  2. Step 2: Convert to fraction form
    10,767.03/16,116.71 = 7,415.61/x
  3. Step 3: Cross multiply
    10,767.03x = 16,116.71 × 7,415.61
  4. Step 4: Simplify right side
    10,767.03x = 119,515,198.77
  5. Step 5: Solve for x
    x = 119,515,198.77/10,767.03
  6. Step 6: Final answer
    x = 11,100.11

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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.