Home / 8,963.75-13,451.04-3,124.46

Finding the Fourth Proportional to 8,963.75, 13,451.04 and 3,124.46

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Solution

The fourth proportional to 8,963.75, 13,451.04 and 3,124.46 is: 4,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.75 : 13,451.04 = 3,124.46 : x
  2. Step 2: Convert to fraction form
    8,963.75/13,451.04 = 3,124.46/x
  3. Step 3: Cross multiply
    8,963.75x = 13,451.04 × 3,124.46
  4. Step 4: Simplify right side
    8,963.75x = 42,027,270.07
  5. Step 5: Solve for x
    x = 42,027,270.07/8,963.75
  6. Step 6: Final answer
    x = 4,688.58

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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.