Home / 11,395.92-17,005.56-10,083.72

Finding the Fourth Proportional to 11,395.92, 17,005.56 and 10,083.72

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Solution

The fourth proportional to 11,395.92, 17,005.56 and 10,083.72 is: 15,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.92 : 17,005.56 = 10,083.72 : x
  2. Step 2: Convert to fraction form
    11,395.92/17,005.56 = 10,083.72/x
  3. Step 3: Cross multiply
    11,395.92x = 17,005.56 × 10,083.72
  4. Step 4: Simplify right side
    11,395.92x = 171,479,305.48
  5. Step 5: Solve for x
    x = 171,479,305.48/11,395.92
  6. Step 6: Final answer
    x = 15,047.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.