Home / 11,973.28-17,964.96-4,182.88

Finding the Fourth Proportional to 11,973.28, 17,964.96 and 4,182.88

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Solution

The fourth proportional to 11,973.28, 17,964.96 and 4,182.88 is: 6,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.28 : 17,964.96 = 4,182.88 : x
  2. Step 2: Convert to fraction form
    11,973.28/17,964.96 = 4,182.88/x
  3. Step 3: Cross multiply
    11,973.28x = 17,964.96 × 4,182.88
  4. Step 4: Simplify right side
    11,973.28x = 75,145,271.88
  5. Step 5: Solve for x
    x = 75,145,271.88/11,973.28
  6. Step 6: Final answer
    x = 6,276.08

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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.