Home / 8,176.48-12,263.48-2,982.36

Finding the Fourth Proportional to 8,176.48, 12,263.48 and 2,982.36

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Solution

The fourth proportional to 8,176.48, 12,263.48 and 2,982.36 is: 4,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.48 : 12,263.48 = 2,982.36 : x
  2. Step 2: Convert to fraction form
    8,176.48/12,263.48 = 2,982.36/x
  3. Step 3: Cross multiply
    8,176.48x = 12,263.48 × 2,982.36
  4. Step 4: Simplify right side
    8,176.48x = 36,574,112.21
  5. Step 5: Solve for x
    x = 36,574,112.21/8,176.48
  6. Step 6: Final answer
    x = 4,473.09

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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.