Home / 12,065.68-16,651.86-6,761.44

Finding the Fourth Proportional to 12,065.68, 16,651.86 and 6,761.44

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Solution

The fourth proportional to 12,065.68, 16,651.86 and 6,761.44 is: 9,331.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.68 : 16,651.86 = 6,761.44 : x
  2. Step 2: Convert to fraction form
    12,065.68/16,651.86 = 6,761.44/x
  3. Step 3: Cross multiply
    12,065.68x = 16,651.86 × 6,761.44
  4. Step 4: Simplify right side
    12,065.68x = 112,590,552.28
  5. Step 5: Solve for x
    x = 112,590,552.28/12,065.68
  6. Step 6: Final answer
    x = 9,331.47

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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.