Home / 7,917.99-11,875.22-3,532.65

Finding the Fourth Proportional to 7,917.99, 11,875.22 and 3,532.65

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Solution

The fourth proportional to 7,917.99, 11,875.22 and 3,532.65 is: 5,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.99 : 11,875.22 = 3,532.65 : x
  2. Step 2: Convert to fraction form
    7,917.99/11,875.22 = 3,532.65/x
  3. Step 3: Cross multiply
    7,917.99x = 11,875.22 × 3,532.65
  4. Step 4: Simplify right side
    7,917.99x = 41,950,936.56
  5. Step 5: Solve for x
    x = 41,950,936.56/7,917.99
  6. Step 6: Final answer
    x = 5,298.18

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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.