Home / 11,284.76-15,571.13-6,504.90

Finding the Fourth Proportional to 11,284.76, 15,571.13 and 6,504.90

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Solution

The fourth proportional to 11,284.76, 15,571.13 and 6,504.90 is: 8,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.76 : 15,571.13 = 6,504.90 : x
  2. Step 2: Convert to fraction form
    11,284.76/15,571.13 = 6,504.90/x
  3. Step 3: Cross multiply
    11,284.76x = 15,571.13 × 6,504.90
  4. Step 4: Simplify right side
    11,284.76x = 101,288,659.80
  5. Step 5: Solve for x
    x = 101,288,659.80/11,284.76
  6. Step 6: Final answer
    x = 8,975.70

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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.