Home / 10,964.46-16,449.15-5,117.88

Finding the Fourth Proportional to 10,964.46, 16,449.15 and 5,117.88

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Solution

The fourth proportional to 10,964.46, 16,449.15 and 5,117.88 is: 7,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.46 : 16,449.15 = 5,117.88 : x
  2. Step 2: Convert to fraction form
    10,964.46/16,449.15 = 5,117.88/x
  3. Step 3: Cross multiply
    10,964.46x = 16,449.15 × 5,117.88
  4. Step 4: Simplify right side
    10,964.46x = 84,184,775.80
  5. Step 5: Solve for x
    x = 84,184,775.80/10,964.46
  6. Step 6: Final answer
    x = 7,677.97

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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.