Home / 11,510.28-17,251.38-4,922.55

Finding the Fourth Proportional to 11,510.28, 17,251.38 and 4,922.55

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Solution

The fourth proportional to 11,510.28, 17,251.38 and 4,922.55 is: 7,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.28 : 17,251.38 = 4,922.55 : x
  2. Step 2: Convert to fraction form
    11,510.28/17,251.38 = 4,922.55/x
  3. Step 3: Cross multiply
    11,510.28x = 17,251.38 × 4,922.55
  4. Step 4: Simplify right side
    11,510.28x = 84,920,780.62
  5. Step 5: Solve for x
    x = 84,920,780.62/11,510.28
  6. Step 6: Final answer
    x = 7,377.82

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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.