Home / 9,814.55-13,544.43-5,623.61

Finding the Fourth Proportional to 9,814.55, 13,544.43 and 5,623.61

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Solution

The fourth proportional to 9,814.55, 13,544.43 and 5,623.61 is: 7,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,814.55 : 13,544.43 = 5,623.61 : x
  2. Step 2: Convert to fraction form
    9,814.55/13,544.43 = 5,623.61/x
  3. Step 3: Cross multiply
    9,814.55x = 13,544.43 × 5,623.61
  4. Step 4: Simplify right side
    9,814.55x = 76,168,591.99
  5. Step 5: Solve for x
    x = 76,168,591.99/9,814.55
  6. Step 6: Final answer
    x = 7,760.78

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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.