Home / 8,819.48-13,228.40-2,976.14

Finding the Fourth Proportional to 8,819.48, 13,228.40 and 2,976.14

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Solution

The fourth proportional to 8,819.48, 13,228.40 and 2,976.14 is: 4,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.48 : 13,228.40 = 2,976.14 : x
  2. Step 2: Convert to fraction form
    8,819.48/13,228.40 = 2,976.14/x
  3. Step 3: Cross multiply
    8,819.48x = 13,228.40 × 2,976.14
  4. Step 4: Simplify right side
    8,819.48x = 39,369,504.23
  5. Step 5: Solve for x
    x = 39,369,504.23/8,819.48
  6. Step 6: Final answer
    x = 4,463.93

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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.