Home / 9,186.32-12,677.66-5,408.61

Finding the Fourth Proportional to 9,186.32, 12,677.66 and 5,408.61

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Solution

The fourth proportional to 9,186.32, 12,677.66 and 5,408.61 is: 7,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.32 : 12,677.66 = 5,408.61 : x
  2. Step 2: Convert to fraction form
    9,186.32/12,677.66 = 5,408.61/x
  3. Step 3: Cross multiply
    9,186.32x = 12,677.66 × 5,408.61
  4. Step 4: Simplify right side
    9,186.32x = 68,568,491.61
  5. Step 5: Solve for x
    x = 68,568,491.61/9,186.32
  6. Step 6: Final answer
    x = 7,464.20

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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.