Home / 8,400.38-11,592.72-5,043.33

Finding the Fourth Proportional to 8,400.38, 11,592.72 and 5,043.33

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Solution

The fourth proportional to 8,400.38, 11,592.72 and 5,043.33 is: 6,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.38 : 11,592.72 = 5,043.33 : x
  2. Step 2: Convert to fraction form
    8,400.38/11,592.72 = 5,043.33/x
  3. Step 3: Cross multiply
    8,400.38x = 11,592.72 × 5,043.33
  4. Step 4: Simplify right side
    8,400.38x = 58,465,912.56
  5. Step 5: Solve for x
    x = 58,465,912.56/8,400.38
  6. Step 6: Final answer
    x = 6,959.92

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Half scale
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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.