Home / 11,002.23-15,179.08-7,227.44

Finding the Fourth Proportional to 11,002.23, 15,179.08 and 7,227.44

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Solution

The fourth proportional to 11,002.23, 15,179.08 and 7,227.44 is: 9,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.23 : 15,179.08 = 7,227.44 : x
  2. Step 2: Convert to fraction form
    11,002.23/15,179.08 = 7,227.44/x
  3. Step 3: Cross multiply
    11,002.23x = 15,179.08 × 7,227.44
  4. Step 4: Simplify right side
    11,002.23x = 109,705,889.96
  5. Step 5: Solve for x
    x = 109,705,889.96/11,002.23
  6. Step 6: Final answer
    x = 9,971.24

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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.