Home / 8,157.54-11,257.01-4,620.66

Finding the Fourth Proportional to 8,157.54, 11,257.01 and 4,620.66

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Solution

The fourth proportional to 8,157.54, 11,257.01 and 4,620.66 is: 6,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.54 : 11,257.01 = 4,620.66 : x
  2. Step 2: Convert to fraction form
    8,157.54/11,257.01 = 4,620.66/x
  3. Step 3: Cross multiply
    8,157.54x = 11,257.01 × 4,620.66
  4. Step 4: Simplify right side
    8,157.54x = 52,014,792.72
  5. Step 5: Solve for x
    x = 52,014,792.72/8,157.54
  6. Step 6: Final answer
    x = 6,376.28

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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.