Home / 11,027.40-15,217.50-6,311.52

Finding the Fourth Proportional to 11,027.40, 15,217.50 and 6,311.52

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Solution

The fourth proportional to 11,027.40, 15,217.50 and 6,311.52 is: 8,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.40 : 15,217.50 = 6,311.52 : x
  2. Step 2: Convert to fraction form
    11,027.40/15,217.50 = 6,311.52/x
  3. Step 3: Cross multiply
    11,027.40x = 15,217.50 × 6,311.52
  4. Step 4: Simplify right side
    11,027.40x = 96,045,555.60
  5. Step 5: Solve for x
    x = 96,045,555.60/11,027.40
  6. Step 6: Final answer
    x = 8,709.72

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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.