Home / 11,036.45-15,234.72-6,789.24

Finding the Fourth Proportional to 11,036.45, 15,234.72 and 6,789.24

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Solution

The fourth proportional to 11,036.45, 15,234.72 and 6,789.24 is: 9,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.45 : 15,234.72 = 6,789.24 : x
  2. Step 2: Convert to fraction form
    11,036.45/15,234.72 = 6,789.24/x
  3. Step 3: Cross multiply
    11,036.45x = 15,234.72 × 6,789.24
  4. Step 4: Simplify right side
    11,036.45x = 103,432,144.95
  5. Step 5: Solve for x
    x = 103,432,144.95/11,036.45
  6. Step 6: Final answer
    x = 9,371.87

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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.