Home / 11,742.44-16,205.07-7,025.81

Finding the Fourth Proportional to 11,742.44, 16,205.07 and 7,025.81

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Solution

The fourth proportional to 11,742.44, 16,205.07 and 7,025.81 is: 9,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.44 : 16,205.07 = 7,025.81 : x
  2. Step 2: Convert to fraction form
    11,742.44/16,205.07 = 7,025.81/x
  3. Step 3: Cross multiply
    11,742.44x = 16,205.07 × 7,025.81
  4. Step 4: Simplify right side
    11,742.44x = 113,853,661.83
  5. Step 5: Solve for x
    x = 113,853,661.83/11,742.44
  6. Step 6: Final answer
    x = 9,695.92

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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.