Home / 11,100.96-16,655.76-4,180.32

Finding the Fourth Proportional to 11,100.96, 16,655.76 and 4,180.32

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Solution

The fourth proportional to 11,100.96, 16,655.76 and 4,180.32 is: 6,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.96 : 16,655.76 = 4,180.32 : x
  2. Step 2: Convert to fraction form
    11,100.96/16,655.76 = 4,180.32/x
  3. Step 3: Cross multiply
    11,100.96x = 16,655.76 × 4,180.32
  4. Step 4: Simplify right side
    11,100.96x = 69,626,406.64
  5. Step 5: Solve for x
    x = 69,626,406.64/11,100.96
  6. Step 6: Final answer
    x = 6,272.11

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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.