Home / 9,388.56-12,951.90-6,362.60

Finding the Fourth Proportional to 9,388.56, 12,951.90 and 6,362.60

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Solution

The fourth proportional to 9,388.56, 12,951.90 and 6,362.60 is: 8,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.56 : 12,951.90 = 6,362.60 : x
  2. Step 2: Convert to fraction form
    9,388.56/12,951.90 = 6,362.60/x
  3. Step 3: Cross multiply
    9,388.56x = 12,951.90 × 6,362.60
  4. Step 4: Simplify right side
    9,388.56x = 82,407,767.03
  5. Step 5: Solve for x
    x = 82,407,767.03/9,388.56
  6. Step 6: Final answer
    x = 8,777.47

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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.