Home / 12,776.43-19,166.47-4,012.03

Finding the Fourth Proportional to 12,776.43, 19,166.47 and 4,012.03

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Solution

The fourth proportional to 12,776.43, 19,166.47 and 4,012.03 is: 6,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.43 : 19,166.47 = 4,012.03 : x
  2. Step 2: Convert to fraction form
    12,776.43/19,166.47 = 4,012.03/x
  3. Step 3: Cross multiply
    12,776.43x = 19,166.47 × 4,012.03
  4. Step 4: Simplify right side
    12,776.43x = 76,896,489.13
  5. Step 5: Solve for x
    x = 76,896,489.13/12,776.43
  6. Step 6: Final answer
    x = 6,018.62

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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.