Home / 11,257.32-16,922.43-10,445.70

Finding the Fourth Proportional to 11,257.32, 16,922.43 and 10,445.70

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Solution

The fourth proportional to 11,257.32, 16,922.43 and 10,445.70 is: 15,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.32 : 16,922.43 = 10,445.70 : x
  2. Step 2: Convert to fraction form
    11,257.32/16,922.43 = 10,445.70/x
  3. Step 3: Cross multiply
    11,257.32x = 16,922.43 × 10,445.70
  4. Step 4: Simplify right side
    11,257.32x = 176,766,627.05
  5. Step 5: Solve for x
    x = 176,766,627.05/11,257.32
  6. Step 6: Final answer
    x = 15,702.37

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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.