Home / 12,012.36-16,576.26-6,634.58

Finding the Fourth Proportional to 12,012.36, 16,576.26 and 6,634.58

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Solution

The fourth proportional to 12,012.36, 16,576.26 and 6,634.58 is: 9,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.36 : 16,576.26 = 6,634.58 : x
  2. Step 2: Convert to fraction form
    12,012.36/16,576.26 = 6,634.58/x
  3. Step 3: Cross multiply
    12,012.36x = 16,576.26 × 6,634.58
  4. Step 4: Simplify right side
    12,012.36x = 109,976,523.07
  5. Step 5: Solve for x
    x = 109,976,523.07/12,012.36
  6. Step 6: Final answer
    x = 9,155.28

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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.