Home / 11,815.38-17,725.59-5,895.45

Finding the Fourth Proportional to 11,815.38, 17,725.59 and 5,895.45

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Solution

The fourth proportional to 11,815.38, 17,725.59 and 5,895.45 is: 8,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.38 : 17,725.59 = 5,895.45 : x
  2. Step 2: Convert to fraction form
    11,815.38/17,725.59 = 5,895.45/x
  3. Step 3: Cross multiply
    11,815.38x = 17,725.59 × 5,895.45
  4. Step 4: Simplify right side
    11,815.38x = 104,500,329.57
  5. Step 5: Solve for x
    x = 104,500,329.57/11,815.38
  6. Step 6: Final answer
    x = 8,844.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.