Home / 11,200.05-16,802.57-3,409.47

Finding the Fourth Proportional to 11,200.05, 16,802.57 and 3,409.47

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Solution

The fourth proportional to 11,200.05, 16,802.57 and 3,409.47 is: 5,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.05 : 16,802.57 = 3,409.47 : x
  2. Step 2: Convert to fraction form
    11,200.05/16,802.57 = 3,409.47/x
  3. Step 3: Cross multiply
    11,200.05x = 16,802.57 × 3,409.47
  4. Step 4: Simplify right side
    11,200.05x = 57,287,782.85
  5. Step 5: Solve for x
    x = 57,287,782.85/11,200.05
  6. Step 6: Final answer
    x = 5,114.96

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1.5x scale

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.