Home / 11,731.70-17,475.33-11,108.40

Finding the Fourth Proportional to 11,731.70, 17,475.33 and 11,108.40

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Solution

The fourth proportional to 11,731.70, 17,475.33 and 11,108.40 is: 16,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.70 : 17,475.33 = 11,108.40 : x
  2. Step 2: Convert to fraction form
    11,731.70/17,475.33 = 11,108.40/x
  3. Step 3: Cross multiply
    11,731.70x = 17,475.33 × 11,108.40
  4. Step 4: Simplify right side
    11,731.70x = 194,122,955.77
  5. Step 5: Solve for x
    x = 194,122,955.77/11,731.70
  6. Step 6: Final answer
    x = 16,546.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.