Home / 8,157.29-11,256.66-4,620.41

Finding the Fourth Proportional to 8,157.29, 11,256.66 and 4,620.41

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Solution

The fourth proportional to 8,157.29, 11,256.66 and 4,620.41 is: 6,375.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.29 : 11,256.66 = 4,620.41 : x
  2. Step 2: Convert to fraction form
    8,157.29/11,256.66 = 4,620.41/x
  3. Step 3: Cross multiply
    8,157.29x = 11,256.66 × 4,620.41
  4. Step 4: Simplify right side
    8,157.29x = 52,010,384.43
  5. Step 5: Solve for x
    x = 52,010,384.43/8,157.29
  6. Step 6: Final answer
    x = 6,375.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.