Home / 11,177.44-15,422.16-6,209.44

Finding the Fourth Proportional to 11,177.44, 15,422.16 and 6,209.44

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Solution

The fourth proportional to 11,177.44, 15,422.16 and 6,209.44 is: 8,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.44 : 15,422.16 = 6,209.44 : x
  2. Step 2: Convert to fraction form
    11,177.44/15,422.16 = 6,209.44/x
  3. Step 3: Cross multiply
    11,177.44x = 15,422.16 × 6,209.44
  4. Step 4: Simplify right side
    11,177.44x = 95,762,977.19
  5. Step 5: Solve for x
    x = 95,762,977.19/11,177.44
  6. Step 6: Final answer
    x = 8,567.52

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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.