Home / 7,558.32-11,333.94-2,811.18

Finding the Fourth Proportional to 7,558.32, 11,333.94 and 2,811.18

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Solution

The fourth proportional to 7,558.32, 11,333.94 and 2,811.18 is: 4,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.32 : 11,333.94 = 2,811.18 : x
  2. Step 2: Convert to fraction form
    7,558.32/11,333.94 = 2,811.18/x
  3. Step 3: Cross multiply
    7,558.32x = 11,333.94 × 2,811.18
  4. Step 4: Simplify right side
    7,558.32x = 31,861,745.45
  5. Step 5: Solve for x
    x = 31,861,745.45/7,558.32
  6. Step 6: Final answer
    x = 4,215.45

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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.