Home / 11,889.28-16,407.32-6,584.18

Finding the Fourth Proportional to 11,889.28, 16,407.32 and 6,584.18

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Solution

The fourth proportional to 11,889.28, 16,407.32 and 6,584.18 is: 9,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.28 : 16,407.32 = 6,584.18 : x
  2. Step 2: Convert to fraction form
    11,889.28/16,407.32 = 6,584.18/x
  3. Step 3: Cross multiply
    11,889.28x = 16,407.32 × 6,584.18
  4. Step 4: Simplify right side
    11,889.28x = 108,028,748.20
  5. Step 5: Solve for x
    x = 108,028,748.20/11,889.28
  6. Step 6: Final answer
    x = 9,086.23

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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.