Home / 11,212.45-16,804.27-4,643.17

Finding the Fourth Proportional to 11,212.45, 16,804.27 and 4,643.17

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Solution

The fourth proportional to 11,212.45, 16,804.27 and 4,643.17 is: 6,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.45 : 16,804.27 = 4,643.17 : x
  2. Step 2: Convert to fraction form
    11,212.45/16,804.27 = 4,643.17/x
  3. Step 3: Cross multiply
    11,212.45x = 16,804.27 × 4,643.17
  4. Step 4: Simplify right side
    11,212.45x = 78,025,082.34
  5. Step 5: Solve for x
    x = 78,025,082.34/11,212.45
  6. Step 6: Final answer
    x = 6,958.79

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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.