Home / 11,135.56-16,693.62-5,581.12

Finding the Fourth Proportional to 11,135.56, 16,693.62 and 5,581.12

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Solution

The fourth proportional to 11,135.56, 16,693.62 and 5,581.12 is: 8,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.56 : 16,693.62 = 5,581.12 : x
  2. Step 2: Convert to fraction form
    11,135.56/16,693.62 = 5,581.12/x
  3. Step 3: Cross multiply
    11,135.56x = 16,693.62 × 5,581.12
  4. Step 4: Simplify right side
    11,135.56x = 93,169,096.45
  5. Step 5: Solve for x
    x = 93,169,096.45/11,135.56
  6. Step 6: Final answer
    x = 8,366.81

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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.