Home / 11,222.94-15,487.66-6,509.96

Finding the Fourth Proportional to 11,222.94, 15,487.66 and 6,509.96

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Solution

The fourth proportional to 11,222.94, 15,487.66 and 6,509.96 is: 8,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.94 : 15,487.66 = 6,509.96 : x
  2. Step 2: Convert to fraction form
    11,222.94/15,487.66 = 6,509.96/x
  3. Step 3: Cross multiply
    11,222.94x = 15,487.66 × 6,509.96
  4. Step 4: Simplify right side
    11,222.94x = 100,824,047.09
  5. Step 5: Solve for x
    x = 100,824,047.09/11,222.94
  6. Step 6: Final answer
    x = 8,983.75

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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.