Home / 10,807.12-16,212.60-3,690.97

Finding the Fourth Proportional to 10,807.12, 16,212.60 and 3,690.97

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Solution

The fourth proportional to 10,807.12, 16,212.60 and 3,690.97 is: 5,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.12 : 16,212.60 = 3,690.97 : x
  2. Step 2: Convert to fraction form
    10,807.12/16,212.60 = 3,690.97/x
  3. Step 3: Cross multiply
    10,807.12x = 16,212.60 × 3,690.97
  4. Step 4: Simplify right side
    10,807.12x = 59,840,220.22
  5. Step 5: Solve for x
    x = 59,840,220.22/10,807.12
  6. Step 6: Final answer
    x = 5,537.11

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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.