Home / 12,274.24-18,401.59-5,343.88

Finding the Fourth Proportional to 12,274.24, 18,401.59 and 5,343.88

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Solution

The fourth proportional to 12,274.24, 18,401.59 and 5,343.88 is: 8,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.24 : 18,401.59 = 5,343.88 : x
  2. Step 2: Convert to fraction form
    12,274.24/18,401.59 = 5,343.88/x
  3. Step 3: Cross multiply
    12,274.24x = 18,401.59 × 5,343.88
  4. Step 4: Simplify right side
    12,274.24x = 98,335,888.77
  5. Step 5: Solve for x
    x = 98,335,888.77/12,274.24
  6. Step 6: Final answer
    x = 8,011.57

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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.