Home / 10,964.06-16,451.49-5,121.08

Finding the Fourth Proportional to 10,964.06, 16,451.49 and 5,121.08

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Solution

The fourth proportional to 10,964.06, 16,451.49 and 5,121.08 is: 7,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.06 : 16,451.49 = 5,121.08 : x
  2. Step 2: Convert to fraction form
    10,964.06/16,451.49 = 5,121.08/x
  3. Step 3: Cross multiply
    10,964.06x = 16,451.49 × 5,121.08
  4. Step 4: Simplify right side
    10,964.06x = 84,249,370.80
  5. Step 5: Solve for x
    x = 84,249,370.80/10,964.06
  6. Step 6: Final answer
    x = 7,684.14

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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.