Home / 8,160.83-11,261.31-4,624.60

Finding the Fourth Proportional to 8,160.83, 11,261.31 and 4,624.60

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Solution

The fourth proportional to 8,160.83, 11,261.31 and 4,624.60 is: 6,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.83 : 11,261.31 = 4,624.60 : x
  2. Step 2: Convert to fraction form
    8,160.83/11,261.31 = 4,624.60/x
  3. Step 3: Cross multiply
    8,160.83x = 11,261.31 × 4,624.60
  4. Step 4: Simplify right side
    8,160.83x = 52,078,997.92
  5. Step 5: Solve for x
    x = 52,078,997.92/8,160.83
  6. Step 6: Final answer
    x = 6,381.58

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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.