Home / 11,224.55-15,490.57-6,188.76

Finding the Fourth Proportional to 11,224.55, 15,490.57 and 6,188.76

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Solution

The fourth proportional to 11,224.55, 15,490.57 and 6,188.76 is: 8,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.55 : 15,490.57 = 6,188.76 : x
  2. Step 2: Convert to fraction form
    11,224.55/15,490.57 = 6,188.76/x
  3. Step 3: Cross multiply
    11,224.55x = 15,490.57 × 6,188.76
  4. Step 4: Simplify right side
    11,224.55x = 95,867,383.42
  5. Step 5: Solve for x
    x = 95,867,383.42/11,224.55
  6. Step 6: Final answer
    x = 8,540.87

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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.