Home / 8,751.31-13,121.16-4,586.29

Finding the Fourth Proportional to 8,751.31, 13,121.16 and 4,586.29

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Solution

The fourth proportional to 8,751.31, 13,121.16 and 4,586.29 is: 6,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.31 : 13,121.16 = 4,586.29 : x
  2. Step 2: Convert to fraction form
    8,751.31/13,121.16 = 4,586.29/x
  3. Step 3: Cross multiply
    8,751.31x = 13,121.16 × 4,586.29
  4. Step 4: Simplify right side
    8,751.31x = 60,177,444.90
  5. Step 5: Solve for x
    x = 60,177,444.90/8,751.31
  6. Step 6: Final answer
    x = 6,876.39

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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.