Home / 11,313.32-15,611.67-6,834.42

Finding the Fourth Proportional to 11,313.32, 15,611.67 and 6,834.42

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Solution

The fourth proportional to 11,313.32, 15,611.67 and 6,834.42 is: 9,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.32 : 15,611.67 = 6,834.42 : x
  2. Step 2: Convert to fraction form
    11,313.32/15,611.67 = 6,834.42/x
  3. Step 3: Cross multiply
    11,313.32x = 15,611.67 × 6,834.42
  4. Step 4: Simplify right side
    11,313.32x = 106,696,709.68
  5. Step 5: Solve for x
    x = 106,696,709.68/11,313.32
  6. Step 6: Final answer
    x = 9,431.07

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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.