Home / 7,502.65-11,247.88-3,123.38

Finding the Fourth Proportional to 7,502.65, 11,247.88 and 3,123.38

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Solution

The fourth proportional to 7,502.65, 11,247.88 and 3,123.38 is: 4,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.65 : 11,247.88 = 3,123.38 : x
  2. Step 2: Convert to fraction form
    7,502.65/11,247.88 = 3,123.38/x
  3. Step 3: Cross multiply
    7,502.65x = 11,247.88 × 3,123.38
  4. Step 4: Simplify right side
    7,502.65x = 35,131,403.43
  5. Step 5: Solve for x
    x = 35,131,403.43/7,502.65
  6. Step 6: Final answer
    x = 4,682.53

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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.