Home / 10,926.35-16,379.79-5,079.77

Finding the Fourth Proportional to 10,926.35, 16,379.79 and 5,079.77

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Solution

The fourth proportional to 10,926.35, 16,379.79 and 5,079.77 is: 7,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.35 : 16,379.79 = 5,079.77 : x
  2. Step 2: Convert to fraction form
    10,926.35/16,379.79 = 5,079.77/x
  3. Step 3: Cross multiply
    10,926.35x = 16,379.79 × 5,079.77
  4. Step 4: Simplify right side
    10,926.35x = 83,205,483.95
  5. Step 5: Solve for x
    x = 83,205,483.95/10,926.35
  6. Step 6: Final answer
    x = 7,615.13

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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.