Home / 11,011.91-15,191.48-6,535.85

Finding the Fourth Proportional to 11,011.91, 15,191.48 and 6,535.85

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Solution

The fourth proportional to 11,011.91, 15,191.48 and 6,535.85 is: 9,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.91 : 15,191.48 = 6,535.85 : x
  2. Step 2: Convert to fraction form
    11,011.91/15,191.48 = 6,535.85/x
  3. Step 3: Cross multiply
    11,011.91x = 15,191.48 × 6,535.85
  4. Step 4: Simplify right side
    11,011.91x = 99,289,201.88
  5. Step 5: Solve for x
    x = 99,289,201.88/11,011.91
  6. Step 6: Final answer
    x = 9,016.53

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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.