Home / 8,954.33-12,356.01-5,176.89

Finding the Fourth Proportional to 8,954.33, 12,356.01 and 5,176.89

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Solution

The fourth proportional to 8,954.33, 12,356.01 and 5,176.89 is: 7,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.33 : 12,356.01 = 5,176.89 : x
  2. Step 2: Convert to fraction form
    8,954.33/12,356.01 = 5,176.89/x
  3. Step 3: Cross multiply
    8,954.33x = 12,356.01 × 5,176.89
  4. Step 4: Simplify right side
    8,954.33x = 63,965,704.61
  5. Step 5: Solve for x
    x = 63,965,704.61/8,954.33
  6. Step 6: Final answer
    x = 7,143.55

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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.