Home / 8,160.30-11,263.20-4,625.58

Finding the Fourth Proportional to 8,160.30, 11,263.20 and 4,625.58

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Solution

The fourth proportional to 8,160.30, 11,263.20 and 4,625.58 is: 6,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.30 : 11,263.20 = 4,625.58 : x
  2. Step 2: Convert to fraction form
    8,160.30/11,263.20 = 4,625.58/x
  3. Step 3: Cross multiply
    8,160.30x = 11,263.20 × 4,625.58
  4. Step 4: Simplify right side
    8,160.30x = 52,098,832.66
  5. Step 5: Solve for x
    x = 52,098,832.66/8,160.30
  6. Step 6: Final answer
    x = 6,384.43

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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.