Home / 9,811.92-13,540.54-5,563.14

Finding the Fourth Proportional to 9,811.92, 13,540.54 and 5,563.14

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Solution

The fourth proportional to 9,811.92, 13,540.54 and 5,563.14 is: 7,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.92 : 13,540.54 = 5,563.14 : x
  2. Step 2: Convert to fraction form
    9,811.92/13,540.54 = 5,563.14/x
  3. Step 3: Cross multiply
    9,811.92x = 13,540.54 × 5,563.14
  4. Step 4: Simplify right side
    9,811.92x = 75,327,919.70
  5. Step 5: Solve for x
    x = 75,327,919.70/9,811.92
  6. Step 6: Final answer
    x = 7,677.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.