Home / 10,638.38-14,680.97-5,923.58

Finding the Fourth Proportional to 10,638.38, 14,680.97 and 5,923.58

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Solution

The fourth proportional to 10,638.38, 14,680.97 and 5,923.58 is: 8,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.38 : 14,680.97 = 5,923.58 : x
  2. Step 2: Convert to fraction form
    10,638.38/14,680.97 = 5,923.58/x
  3. Step 3: Cross multiply
    10,638.38x = 14,680.97 × 5,923.58
  4. Step 4: Simplify right side
    10,638.38x = 86,963,797.25
  5. Step 5: Solve for x
    x = 86,963,797.25/10,638.38
  6. Step 6: Final answer
    x = 8,174.54

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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.