Home / 8,963.15-13,440.09-4,028.57

Finding the Fourth Proportional to 8,963.15, 13,440.09 and 4,028.57

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Solution

The fourth proportional to 8,963.15, 13,440.09 and 4,028.57 is: 6,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.15 : 13,440.09 = 4,028.57 : x
  2. Step 2: Convert to fraction form
    8,963.15/13,440.09 = 4,028.57/x
  3. Step 3: Cross multiply
    8,963.15x = 13,440.09 × 4,028.57
  4. Step 4: Simplify right side
    8,963.15x = 54,144,343.37
  5. Step 5: Solve for x
    x = 54,144,343.37/8,963.15
  6. Step 6: Final answer
    x = 6,040.77

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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.