Home / 11,126.42-16,683.32-5,855.86

Finding the Fourth Proportional to 11,126.42, 16,683.32 and 5,855.86

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Solution

The fourth proportional to 11,126.42, 16,683.32 and 5,855.86 is: 8,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.42 : 16,683.32 = 5,855.86 : x
  2. Step 2: Convert to fraction form
    11,126.42/16,683.32 = 5,855.86/x
  3. Step 3: Cross multiply
    11,126.42x = 16,683.32 × 5,855.86
  4. Step 4: Simplify right side
    11,126.42x = 97,695,186.26
  5. Step 5: Solve for x
    x = 97,695,186.26/11,126.42
  6. Step 6: Final answer
    x = 8,780.47

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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.