Home / 11,983.91-16,536.22-6,947.03

Finding the Fourth Proportional to 11,983.91, 16,536.22 and 6,947.03

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Solution

The fourth proportional to 11,983.91, 16,536.22 and 6,947.03 is: 9,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.91 : 16,536.22 = 6,947.03 : x
  2. Step 2: Convert to fraction form
    11,983.91/16,536.22 = 6,947.03/x
  3. Step 3: Cross multiply
    11,983.91x = 16,536.22 × 6,947.03
  4. Step 4: Simplify right side
    11,983.91x = 114,877,640.40
  5. Step 5: Solve for x
    x = 114,877,640.40/11,983.91
  6. Step 6: Final answer
    x = 9,585.99

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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.