Home / 8,245.13-11,380.32-4,710.42

Finding the Fourth Proportional to 8,245.13, 11,380.32 and 4,710.42

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Solution

The fourth proportional to 8,245.13, 11,380.32 and 4,710.42 is: 6,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.13 : 11,380.32 = 4,710.42 : x
  2. Step 2: Convert to fraction form
    8,245.13/11,380.32 = 4,710.42/x
  3. Step 3: Cross multiply
    8,245.13x = 11,380.32 × 4,710.42
  4. Step 4: Simplify right side
    8,245.13x = 53,606,086.93
  5. Step 5: Solve for x
    x = 53,606,086.93/8,245.13
  6. Step 6: Final answer
    x = 6,501.55

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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.