Home / 8,285.12-11,433.12-4,558.88

Finding the Fourth Proportional to 8,285.12, 11,433.12 and 4,558.88

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Solution

The fourth proportional to 8,285.12, 11,433.12 and 4,558.88 is: 6,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.12 : 11,433.12 = 4,558.88 : x
  2. Step 2: Convert to fraction form
    8,285.12/11,433.12 = 4,558.88/x
  3. Step 3: Cross multiply
    8,285.12x = 11,433.12 × 4,558.88
  4. Step 4: Simplify right side
    8,285.12x = 52,122,222.11
  5. Step 5: Solve for x
    x = 52,122,222.11/8,285.12
  6. Step 6: Final answer
    x = 6,291.06

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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.