Home / 11,972.24-17,960.40-4,073.92

Finding the Fourth Proportional to 11,972.24, 17,960.40 and 4,073.92

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Solution

The fourth proportional to 11,972.24, 17,960.40 and 4,073.92 is: 6,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.24 : 17,960.40 = 4,073.92 : x
  2. Step 2: Convert to fraction form
    11,972.24/17,960.40 = 4,073.92/x
  3. Step 3: Cross multiply
    11,972.24x = 17,960.40 × 4,073.92
  4. Step 4: Simplify right side
    11,972.24x = 73,169,232.77
  5. Step 5: Solve for x
    x = 73,169,232.77/11,972.24
  6. Step 6: Final answer
    x = 6,111.57

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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.