Home / 8,116.14-12,187.62-6,141.84

Finding the Fourth Proportional to 8,116.14, 12,187.62 and 6,141.84

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Solution

The fourth proportional to 8,116.14, 12,187.62 and 6,141.84 is: 9,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.14 : 12,187.62 = 6,141.84 : x
  2. Step 2: Convert to fraction form
    8,116.14/12,187.62 = 6,141.84/x
  3. Step 3: Cross multiply
    8,116.14x = 12,187.62 × 6,141.84
  4. Step 4: Simplify right side
    8,116.14x = 74,854,412.02
  5. Step 5: Solve for x
    x = 74,854,412.02/8,116.14
  6. Step 6: Final answer
    x = 9,222.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.