Home / 11,119.22-15,341.94-6,644.42

Finding the Fourth Proportional to 11,119.22, 15,341.94 and 6,644.42

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Solution

The fourth proportional to 11,119.22, 15,341.94 and 6,644.42 is: 9,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.22 : 15,341.94 = 6,644.42 : x
  2. Step 2: Convert to fraction form
    11,119.22/15,341.94 = 6,644.42/x
  3. Step 3: Cross multiply
    11,119.22x = 15,341.94 × 6,644.42
  4. Step 4: Simplify right side
    11,119.22x = 101,938,292.97
  5. Step 5: Solve for x
    x = 101,938,292.97/11,119.22
  6. Step 6: Final answer
    x = 9,167.76

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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.