Home / 11,315.57-16,983.81-5,773.01

Finding the Fourth Proportional to 11,315.57, 16,983.81 and 5,773.01

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Solution

The fourth proportional to 11,315.57, 16,983.81 and 5,773.01 is: 8,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.57 : 16,983.81 = 5,773.01 : x
  2. Step 2: Convert to fraction form
    11,315.57/16,983.81 = 5,773.01/x
  3. Step 3: Cross multiply
    11,315.57x = 16,983.81 × 5,773.01
  4. Step 4: Simplify right side
    11,315.57x = 98,047,620.05
  5. Step 5: Solve for x
    x = 98,047,620.05/11,315.57
  6. Step 6: Final answer
    x = 8,664.85

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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.