Home / 11,007.20-15,182.14-6,758.48

Finding the Fourth Proportional to 11,007.20, 15,182.14 and 6,758.48

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Solution

The fourth proportional to 11,007.20, 15,182.14 and 6,758.48 is: 9,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.20 : 15,182.14 = 6,758.48 : x
  2. Step 2: Convert to fraction form
    11,007.20/15,182.14 = 6,758.48/x
  3. Step 3: Cross multiply
    11,007.20x = 15,182.14 × 6,758.48
  4. Step 4: Simplify right side
    11,007.20x = 102,608,189.55
  5. Step 5: Solve for x
    x = 102,608,189.55/11,007.20
  6. Step 6: Final answer
    x = 9,321.92

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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.