Home / 10,133.24-15,222.92-7,330.72

Finding the Fourth Proportional to 10,133.24, 15,222.92 and 7,330.72

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Solution

The fourth proportional to 10,133.24, 15,222.92 and 7,330.72 is: 11,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.24 : 15,222.92 = 7,330.72 : x
  2. Step 2: Convert to fraction form
    10,133.24/15,222.92 = 7,330.72/x
  3. Step 3: Cross multiply
    10,133.24x = 15,222.92 × 7,330.72
  4. Step 4: Simplify right side
    10,133.24x = 111,594,898.65
  5. Step 5: Solve for x
    x = 111,594,898.65/10,133.24
  6. Step 6: Final answer
    x = 11,012.76

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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.