Home / 11,215.11-15,476.57-6,179.24

Finding the Fourth Proportional to 11,215.11, 15,476.57 and 6,179.24

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Solution

The fourth proportional to 11,215.11, 15,476.57 and 6,179.24 is: 8,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.11 : 15,476.57 = 6,179.24 : x
  2. Step 2: Convert to fraction form
    11,215.11/15,476.57 = 6,179.24/x
  3. Step 3: Cross multiply
    11,215.11x = 15,476.57 × 6,179.24
  4. Step 4: Simplify right side
    11,215.11x = 95,633,384.32
  5. Step 5: Solve for x
    x = 95,633,384.32/11,215.11
  6. Step 6: Final answer
    x = 8,527.19

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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.