Home / 11,520.82-17,275.74-6,247.42

Finding the Fourth Proportional to 11,520.82, 17,275.74 and 6,247.42

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Solution

The fourth proportional to 11,520.82, 17,275.74 and 6,247.42 is: 9,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.82 : 17,275.74 = 6,247.42 : x
  2. Step 2: Convert to fraction form
    11,520.82/17,275.74 = 6,247.42/x
  3. Step 3: Cross multiply
    11,520.82x = 17,275.74 × 6,247.42
  4. Step 4: Simplify right side
    11,520.82x = 107,928,803.59
  5. Step 5: Solve for x
    x = 107,928,803.59/11,520.82
  6. Step 6: Final answer
    x = 9,368.15

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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.