Home / 11,128.92-16,693.38-4,553.64

Finding the Fourth Proportional to 11,128.92, 16,693.38 and 4,553.64

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Solution

The fourth proportional to 11,128.92, 16,693.38 and 4,553.64 is: 6,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.92 : 16,693.38 = 4,553.64 : x
  2. Step 2: Convert to fraction form
    11,128.92/16,693.38 = 4,553.64/x
  3. Step 3: Cross multiply
    11,128.92x = 16,693.38 × 4,553.64
  4. Step 4: Simplify right side
    11,128.92x = 76,015,642.90
  5. Step 5: Solve for x
    x = 76,015,642.90/11,128.92
  6. Step 6: Final answer
    x = 6,830.46

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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.