Home / 10,827.51-16,238.61-4,162.65

Finding the Fourth Proportional to 10,827.51, 16,238.61 and 4,162.65

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Solution

The fourth proportional to 10,827.51, 16,238.61 and 4,162.65 is: 6,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.51 : 16,238.61 = 4,162.65 : x
  2. Step 2: Convert to fraction form
    10,827.51/16,238.61 = 4,162.65/x
  3. Step 3: Cross multiply
    10,827.51x = 16,238.61 × 4,162.65
  4. Step 4: Simplify right side
    10,827.51x = 67,595,649.92
  5. Step 5: Solve for x
    x = 67,595,649.92/10,827.51
  6. Step 6: Final answer
    x = 6,242.95

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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.