Home / 10,827.75-16,242.08-3,432.05

Finding the Fourth Proportional to 10,827.75, 16,242.08 and 3,432.05

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Solution

The fourth proportional to 10,827.75, 16,242.08 and 3,432.05 is: 5,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.75 : 16,242.08 = 3,432.05 : x
  2. Step 2: Convert to fraction form
    10,827.75/16,242.08 = 3,432.05/x
  3. Step 3: Cross multiply
    10,827.75x = 16,242.08 × 3,432.05
  4. Step 4: Simplify right side
    10,827.75x = 55,743,532.29
  5. Step 5: Solve for x
    x = 55,743,532.29/10,827.75
  6. Step 6: Final answer
    x = 5,148.21

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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.