Home / 11,708.64-17,571.60-9,427.68

Finding the Fourth Proportional to 11,708.64, 17,571.60 and 9,427.68

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Solution

The fourth proportional to 11,708.64, 17,571.60 and 9,427.68 is: 14,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.64 : 17,571.60 = 9,427.68 : x
  2. Step 2: Convert to fraction form
    11,708.64/17,571.60 = 9,427.68/x
  3. Step 3: Cross multiply
    11,708.64x = 17,571.60 × 9,427.68
  4. Step 4: Simplify right side
    11,708.64x = 165,659,421.89
  5. Step 5: Solve for x
    x = 165,659,421.89/11,708.64
  6. Step 6: Final answer
    x = 14,148.48

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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.