Home / 11,690.31-17,535.38-2,925.22

Finding the Fourth Proportional to 11,690.31, 17,535.38 and 2,925.22

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Solution

The fourth proportional to 11,690.31, 17,535.38 and 2,925.22 is: 4,387.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.31 : 17,535.38 = 2,925.22 : x
  2. Step 2: Convert to fraction form
    11,690.31/17,535.38 = 2,925.22/x
  3. Step 3: Cross multiply
    11,690.31x = 17,535.38 × 2,925.22
  4. Step 4: Simplify right side
    11,690.31x = 51,294,844.28
  5. Step 5: Solve for x
    x = 51,294,844.28/11,690.31
  6. Step 6: Final answer
    x = 4,387.81

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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.