Home / 11,969.10-16,517.36-6,934.29

Finding the Fourth Proportional to 11,969.10, 16,517.36 and 6,934.29

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Solution

The fourth proportional to 11,969.10, 16,517.36 and 6,934.29 is: 9,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.10 : 16,517.36 = 6,934.29 : x
  2. Step 2: Convert to fraction form
    11,969.10/16,517.36 = 6,934.29/x
  3. Step 3: Cross multiply
    11,969.10x = 16,517.36 × 6,934.29
  4. Step 4: Simplify right side
    11,969.10x = 114,536,197.28
  5. Step 5: Solve for x
    x = 114,536,197.28/11,969.10
  6. Step 6: Final answer
    x = 9,569.32

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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.