Home / 12,327.07-18,490.56-5,749.60

Finding the Fourth Proportional to 12,327.07, 18,490.56 and 5,749.60

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Solution

The fourth proportional to 12,327.07, 18,490.56 and 5,749.60 is: 8,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.07 : 18,490.56 = 5,749.60 : x
  2. Step 2: Convert to fraction form
    12,327.07/18,490.56 = 5,749.60/x
  3. Step 3: Cross multiply
    12,327.07x = 18,490.56 × 5,749.60
  4. Step 4: Simplify right side
    12,327.07x = 106,313,323.78
  5. Step 5: Solve for x
    x = 106,313,323.78/12,327.07
  6. Step 6: Final answer
    x = 8,624.38

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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.