Home / 10,966.13-16,449.19-2,758.13

Finding the Fourth Proportional to 10,966.13, 16,449.19 and 2,758.13

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Solution

The fourth proportional to 10,966.13, 16,449.19 and 2,758.13 is: 4,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.13 : 16,449.19 = 2,758.13 : x
  2. Step 2: Convert to fraction form
    10,966.13/16,449.19 = 2,758.13/x
  3. Step 3: Cross multiply
    10,966.13x = 16,449.19 × 2,758.13
  4. Step 4: Simplify right side
    10,966.13x = 45,369,004.41
  5. Step 5: Solve for x
    x = 45,369,004.41/10,966.13
  6. Step 6: Final answer
    x = 4,137.19

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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.