Home / 8,288.75-11,438.75-4,512.22

Finding the Fourth Proportional to 8,288.75, 11,438.75 and 4,512.22

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Solution

The fourth proportional to 8,288.75, 11,438.75 and 4,512.22 is: 6,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.75 : 11,438.75 = 4,512.22 : x
  2. Step 2: Convert to fraction form
    8,288.75/11,438.75 = 4,512.22/x
  3. Step 3: Cross multiply
    8,288.75x = 11,438.75 × 4,512.22
  4. Step 4: Simplify right side
    8,288.75x = 51,614,139.21
  5. Step 5: Solve for x
    x = 51,614,139.21/8,288.75
  6. Step 6: Final answer
    x = 6,227.01

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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.