Home / 8,203.60-11,321.58-4,666.96

Finding the Fourth Proportional to 8,203.60, 11,321.58 and 4,666.96

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Solution

The fourth proportional to 8,203.60, 11,321.58 and 4,666.96 is: 6,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.60 : 11,321.58 = 4,666.96 : x
  2. Step 2: Convert to fraction form
    8,203.60/11,321.58 = 4,666.96/x
  3. Step 3: Cross multiply
    8,203.60x = 11,321.58 × 4,666.96
  4. Step 4: Simplify right side
    8,203.60x = 52,837,361.00
  5. Step 5: Solve for x
    x = 52,837,361.00/8,203.60
  6. Step 6: Final answer
    x = 6,440.75

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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.