Home / 8,749.39-13,112.55-3,552.43

Finding the Fourth Proportional to 8,749.39, 13,112.55 and 3,552.43

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Solution

The fourth proportional to 8,749.39, 13,112.55 and 3,552.43 is: 5,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.39 : 13,112.55 = 3,552.43 : x
  2. Step 2: Convert to fraction form
    8,749.39/13,112.55 = 3,552.43/x
  3. Step 3: Cross multiply
    8,749.39x = 13,112.55 × 3,552.43
  4. Step 4: Simplify right side
    8,749.39x = 46,581,416.00
  5. Step 5: Solve for x
    x = 46,581,416.00/8,749.39
  6. Step 6: Final answer
    x = 5,323.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.