Home / 11,712.24-17,571.60-4,316.40

Finding the Fourth Proportional to 11,712.24, 17,571.60 and 4,316.40

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Solution

The fourth proportional to 11,712.24, 17,571.60 and 4,316.40 is: 6,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.24 : 17,571.60 = 4,316.40 : x
  2. Step 2: Convert to fraction form
    11,712.24/17,571.60 = 4,316.40/x
  3. Step 3: Cross multiply
    11,712.24x = 17,571.60 × 4,316.40
  4. Step 4: Simplify right side
    11,712.24x = 75,846,054.24
  5. Step 5: Solve for x
    x = 75,846,054.24/11,712.24
  6. Step 6: Final answer
    x = 6,475.79

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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.