Home / 11,968.12-17,947.86-5,043.16

Finding the Fourth Proportional to 11,968.12, 17,947.86 and 5,043.16

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Solution

The fourth proportional to 11,968.12, 17,947.86 and 5,043.16 is: 7,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.12 : 17,947.86 = 5,043.16 : x
  2. Step 2: Convert to fraction form
    11,968.12/17,947.86 = 5,043.16/x
  3. Step 3: Cross multiply
    11,968.12x = 17,947.86 × 5,043.16
  4. Step 4: Simplify right side
    11,968.12x = 90,513,929.64
  5. Step 5: Solve for x
    x = 90,513,929.64/11,968.12
  6. Step 6: Final answer
    x = 7,562.92

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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.