Home / 11,005.11-15,174.25-8,022.28

Finding the Fourth Proportional to 11,005.11, 15,174.25 and 8,022.28

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Solution

The fourth proportional to 11,005.11, 15,174.25 and 8,022.28 is: 11,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.11 : 15,174.25 = 8,022.28 : x
  2. Step 2: Convert to fraction form
    11,005.11/15,174.25 = 8,022.28/x
  3. Step 3: Cross multiply
    11,005.11x = 15,174.25 × 8,022.28
  4. Step 4: Simplify right side
    11,005.11x = 121,732,082.29
  5. Step 5: Solve for x
    x = 121,732,082.29/11,005.11
  6. Step 6: Final answer
    x = 11,061.41

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1.5x scale

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.