Home / 27,635.28-41,440.74-7,909.36

Finding the Fourth Proportional to 27,635.28, 41,440.74 and 7,909.36

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Solution

The fourth proportional to 27,635.28, 41,440.74 and 7,909.36 is: 11,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.28 : 41,440.74 = 7,909.36 : x
  2. Step 2: Convert to fraction form
    27,635.28/41,440.74 = 7,909.36/x
  3. Step 3: Cross multiply
    27,635.28x = 41,440.74 × 7,909.36
  4. Step 4: Simplify right side
    27,635.28x = 327,769,731.33
  5. Step 5: Solve for x
    x = 327,769,731.33/27,635.28
  6. Step 6: Final answer
    x = 11,860.55

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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.