Home / 11,753.28-17,629.92-2,988.36

Finding the Fourth Proportional to 11,753.28, 17,629.92 and 2,988.36

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Solution

The fourth proportional to 11,753.28, 17,629.92 and 2,988.36 is: 4,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.28 : 17,629.92 = 2,988.36 : x
  2. Step 2: Convert to fraction form
    11,753.28/17,629.92 = 2,988.36/x
  3. Step 3: Cross multiply
    11,753.28x = 17,629.92 × 2,988.36
  4. Step 4: Simplify right side
    11,753.28x = 52,684,547.73
  5. Step 5: Solve for x
    x = 52,684,547.73/11,753.28
  6. Step 6: Final answer
    x = 4,482.54

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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.