Home / 6,255.20-9,374.70-5,558.60

Finding the Fourth Proportional to 6,255.20, 9,374.70 and 5,558.60

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Solution

The fourth proportional to 6,255.20, 9,374.70 and 5,558.60 is: 8,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.20 : 9,374.70 = 5,558.60 : x
  2. Step 2: Convert to fraction form
    6,255.20/9,374.70 = 5,558.60/x
  3. Step 3: Cross multiply
    6,255.20x = 9,374.70 × 5,558.60
  4. Step 4: Simplify right side
    6,255.20x = 52,110,207.42
  5. Step 5: Solve for x
    x = 52,110,207.42/6,255.20
  6. Step 6: Final answer
    x = 8,330.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.