Home / 11,943.73-16,482.41-6,639.04

Finding the Fourth Proportional to 11,943.73, 16,482.41 and 6,639.04

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Solution

The fourth proportional to 11,943.73, 16,482.41 and 6,639.04 is: 9,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.73 : 16,482.41 = 6,639.04 : x
  2. Step 2: Convert to fraction form
    11,943.73/16,482.41 = 6,639.04/x
  3. Step 3: Cross multiply
    11,943.73x = 16,482.41 × 6,639.04
  4. Step 4: Simplify right side
    11,943.73x = 109,427,379.29
  5. Step 5: Solve for x
    x = 109,427,379.29/11,943.73
  6. Step 6: Final answer
    x = 9,161.91

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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.