Home / 11,707.20-17,559.72-3,916.08

Finding the Fourth Proportional to 11,707.20, 17,559.72 and 3,916.08

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Solution

The fourth proportional to 11,707.20, 17,559.72 and 3,916.08 is: 5,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.20 : 17,559.72 = 3,916.08 : x
  2. Step 2: Convert to fraction form
    11,707.20/17,559.72 = 3,916.08/x
  3. Step 3: Cross multiply
    11,707.20x = 17,559.72 × 3,916.08
  4. Step 4: Simplify right side
    11,707.20x = 68,765,268.30
  5. Step 5: Solve for x
    x = 68,765,268.30/11,707.20
  6. Step 6: Final answer
    x = 5,873.76

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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.