Home / 11,384.38-17,167.65-11,228.56

Finding the Fourth Proportional to 11,384.38, 17,167.65 and 11,228.56

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Solution

The fourth proportional to 11,384.38, 17,167.65 and 11,228.56 is: 16,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.38 : 17,167.65 = 11,228.56 : x
  2. Step 2: Convert to fraction form
    11,384.38/17,167.65 = 11,228.56/x
  3. Step 3: Cross multiply
    11,384.38x = 17,167.65 × 11,228.56
  4. Step 4: Simplify right side
    11,384.38x = 192,767,903.06
  5. Step 5: Solve for x
    x = 192,767,903.06/11,384.38
  6. Step 6: Final answer
    x = 16,932.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.