Home / 8,515.38-12,772.66-2,592.01

Finding the Fourth Proportional to 8,515.38, 12,772.66 and 2,592.01

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Solution

The fourth proportional to 8,515.38, 12,772.66 and 2,592.01 is: 3,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.38 : 12,772.66 = 2,592.01 : x
  2. Step 2: Convert to fraction form
    8,515.38/12,772.66 = 2,592.01/x
  3. Step 3: Cross multiply
    8,515.38x = 12,772.66 × 2,592.01
  4. Step 4: Simplify right side
    8,515.38x = 33,106,862.45
  5. Step 5: Solve for x
    x = 33,106,862.45/8,515.38
  6. Step 6: Final answer
    x = 3,887.89

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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.