Home / 11,212.87-15,473.10-6,497.05

Finding the Fourth Proportional to 11,212.87, 15,473.10 and 6,497.05

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Solution

The fourth proportional to 11,212.87, 15,473.10 and 6,497.05 is: 8,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.87 : 15,473.10 = 6,497.05 : x
  2. Step 2: Convert to fraction form
    11,212.87/15,473.10 = 6,497.05/x
  3. Step 3: Cross multiply
    11,212.87x = 15,473.10 × 6,497.05
  4. Step 4: Simplify right side
    11,212.87x = 100,529,504.36
  5. Step 5: Solve for x
    x = 100,529,504.36/11,212.87
  6. Step 6: Final answer
    x = 8,965.55

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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.