Home / 11,516.72-17,276.70-5,673.38

Finding the Fourth Proportional to 11,516.72, 17,276.70 and 5,673.38

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Solution

The fourth proportional to 11,516.72, 17,276.70 and 5,673.38 is: 8,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.72 : 17,276.70 = 5,673.38 : x
  2. Step 2: Convert to fraction form
    11,516.72/17,276.70 = 5,673.38/x
  3. Step 3: Cross multiply
    11,516.72x = 17,276.70 × 5,673.38
  4. Step 4: Simplify right side
    11,516.72x = 98,017,284.25
  5. Step 5: Solve for x
    x = 98,017,284.25/11,516.72
  6. Step 6: Final answer
    x = 8,510.87

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1.5x scale

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.