Home / 10,964.92-15,131.76-6,185.10

Finding the Fourth Proportional to 10,964.92, 15,131.76 and 6,185.10

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Solution

The fourth proportional to 10,964.92, 15,131.76 and 6,185.10 is: 8,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.92 : 15,131.76 = 6,185.10 : x
  2. Step 2: Convert to fraction form
    10,964.92/15,131.76 = 6,185.10/x
  3. Step 3: Cross multiply
    10,964.92x = 15,131.76 × 6,185.10
  4. Step 4: Simplify right side
    10,964.92x = 93,591,357.65
  5. Step 5: Solve for x
    x = 93,591,357.65/10,964.92
  6. Step 6: Final answer
    x = 8,535.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.