Home / 11,179.23-15,424.78-6,703.80

Finding the Fourth Proportional to 11,179.23, 15,424.78 and 6,703.80

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Solution

The fourth proportional to 11,179.23, 15,424.78 and 6,703.80 is: 9,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.23 : 15,424.78 = 6,703.80 : x
  2. Step 2: Convert to fraction form
    11,179.23/15,424.78 = 6,703.80/x
  3. Step 3: Cross multiply
    11,179.23x = 15,424.78 × 6,703.80
  4. Step 4: Simplify right side
    11,179.23x = 103,404,640.16
  5. Step 5: Solve for x
    x = 103,404,640.16/11,179.23
  6. Step 6: Final answer
    x = 9,249.71

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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.