Home / 11,100.87-16,639.05-4,525.47

Finding the Fourth Proportional to 11,100.87, 16,639.05 and 4,525.47

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Solution

The fourth proportional to 11,100.87, 16,639.05 and 4,525.47 is: 6,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.87 : 16,639.05 = 4,525.47 : x
  2. Step 2: Convert to fraction form
    11,100.87/16,639.05 = 4,525.47/x
  3. Step 3: Cross multiply
    11,100.87x = 16,639.05 × 4,525.47
  4. Step 4: Simplify right side
    11,100.87x = 75,299,521.60
  5. Step 5: Solve for x
    x = 75,299,521.60/11,100.87
  6. Step 6: Final answer
    x = 6,783.21

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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.