Home / 8,246.08-11,380.40-4,709.80

Finding the Fourth Proportional to 8,246.08, 11,380.40 and 4,709.80

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Solution

The fourth proportional to 8,246.08, 11,380.40 and 4,709.80 is: 6,499.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.08 : 11,380.40 = 4,709.80 : x
  2. Step 2: Convert to fraction form
    8,246.08/11,380.40 = 4,709.80/x
  3. Step 3: Cross multiply
    8,246.08x = 11,380.40 × 4,709.80
  4. Step 4: Simplify right side
    8,246.08x = 53,599,407.92
  5. Step 5: Solve for x
    x = 53,599,407.92/8,246.08
  6. Step 6: Final answer
    x = 6,499.99

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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.