Home / 10,709.85-16,068.62-4,786.25

Finding the Fourth Proportional to 10,709.85, 16,068.62 and 4,786.25

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Solution

The fourth proportional to 10,709.85, 16,068.62 and 4,786.25 is: 7,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.85 : 16,068.62 = 4,786.25 : x
  2. Step 2: Convert to fraction form
    10,709.85/16,068.62 = 4,786.25/x
  3. Step 3: Cross multiply
    10,709.85x = 16,068.62 × 4,786.25
  4. Step 4: Simplify right side
    10,709.85x = 76,908,352.13
  5. Step 5: Solve for x
    x = 76,908,352.13/10,709.85
  6. Step 6: Final answer
    x = 7,181.09

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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.