Home / 11,972.16-16,522.80-6,936.24

Finding the Fourth Proportional to 11,972.16, 16,522.80 and 6,936.24

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Solution

The fourth proportional to 11,972.16, 16,522.80 and 6,936.24 is: 9,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.16 : 16,522.80 = 6,936.24 : x
  2. Step 2: Convert to fraction form
    11,972.16/16,522.80 = 6,936.24/x
  3. Step 3: Cross multiply
    11,972.16x = 16,522.80 × 6,936.24
  4. Step 4: Simplify right side
    11,972.16x = 114,606,106.27
  5. Step 5: Solve for x
    x = 114,606,106.27/11,972.16
  6. Step 6: Final answer
    x = 9,572.72

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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.