Home / 11,863.35-16,373.21-7,150.23

Finding the Fourth Proportional to 11,863.35, 16,373.21 and 7,150.23

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Solution

The fourth proportional to 11,863.35, 16,373.21 and 7,150.23 is: 9,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.35 : 16,373.21 = 7,150.23 : x
  2. Step 2: Convert to fraction form
    11,863.35/16,373.21 = 7,150.23/x
  3. Step 3: Cross multiply
    11,863.35x = 16,373.21 × 7,150.23
  4. Step 4: Simplify right side
    11,863.35x = 117,072,181.59
  5. Step 5: Solve for x
    x = 117,072,181.59/11,863.35
  6. Step 6: Final answer
    x = 9,868.39

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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.