Home / 10,509.91-15,764.65-2,612.44

Finding the Fourth Proportional to 10,509.91, 15,764.65 and 2,612.44

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Solution

The fourth proportional to 10,509.91, 15,764.65 and 2,612.44 is: 3,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.91 : 15,764.65 = 2,612.44 : x
  2. Step 2: Convert to fraction form
    10,509.91/15,764.65 = 2,612.44/x
  3. Step 3: Cross multiply
    10,509.91x = 15,764.65 × 2,612.44
  4. Step 4: Simplify right side
    10,509.91x = 41,184,202.25
  5. Step 5: Solve for x
    x = 41,184,202.25/10,509.91
  6. Step 6: Final answer
    x = 3,918.61

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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.