Home / 11,254.23-16,891.94-5,711.55

Finding the Fourth Proportional to 11,254.23, 16,891.94 and 5,711.55

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Solution

The fourth proportional to 11,254.23, 16,891.94 and 5,711.55 is: 8,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.23 : 16,891.94 = 5,711.55 : x
  2. Step 2: Convert to fraction form
    11,254.23/16,891.94 = 5,711.55/x
  3. Step 3: Cross multiply
    11,254.23x = 16,891.94 × 5,711.55
  4. Step 4: Simplify right side
    11,254.23x = 96,479,159.91
  5. Step 5: Solve for x
    x = 96,479,159.91/11,254.23
  6. Step 6: Final answer
    x = 8,572.70

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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.