Home / 8,462.74-12,694.96-2,915.36

Finding the Fourth Proportional to 8,462.74, 12,694.96 and 2,915.36

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Solution

The fourth proportional to 8,462.74, 12,694.96 and 2,915.36 is: 4,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.74 : 12,694.96 = 2,915.36 : x
  2. Step 2: Convert to fraction form
    8,462.74/12,694.96 = 2,915.36/x
  3. Step 3: Cross multiply
    8,462.74x = 12,694.96 × 2,915.36
  4. Step 4: Simplify right side
    8,462.74x = 37,010,378.59
  5. Step 5: Solve for x
    x = 37,010,378.59/8,462.74
  6. Step 6: Final answer
    x = 4,373.33

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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.