Home / 8,502.25-12,741.63-4,756

Finding the Fourth Proportional to 8,502.25, 12,741.63 and 4,756

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Solution

The fourth proportional to 8,502.25, 12,741.63 and 4,756 is: 7,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.25 : 12,741.63 = 4,756 : x
  2. Step 2: Convert to fraction form
    8,502.25/12,741.63 = 4,756/x
  3. Step 3: Cross multiply
    8,502.25x = 12,741.63 × 4,756
  4. Step 4: Simplify right side
    8,502.25x = 60,599,192.28
  5. Step 5: Solve for x
    x = 60,599,192.28/8,502.25
  6. Step 6: Final answer
    x = 7,127.43

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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.