Home / 11,502.28-15,868.23-7,516.47

Finding the Fourth Proportional to 11,502.28, 15,868.23 and 7,516.47

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Solution

The fourth proportional to 11,502.28, 15,868.23 and 7,516.47 is: 10,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.28 : 15,868.23 = 7,516.47 : x
  2. Step 2: Convert to fraction form
    11,502.28/15,868.23 = 7,516.47/x
  3. Step 3: Cross multiply
    11,502.28x = 15,868.23 × 7,516.47
  4. Step 4: Simplify right side
    11,502.28x = 119,273,074.75
  5. Step 5: Solve for x
    x = 119,273,074.75/11,502.28
  6. Step 6: Final answer
    x = 10,369.52

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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.