Home / 10,827.42-16,239.68-3,432.62

Finding the Fourth Proportional to 10,827.42, 16,239.68 and 3,432.62

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Solution

The fourth proportional to 10,827.42, 16,239.68 and 3,432.62 is: 5,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.42 : 16,239.68 = 3,432.62 : x
  2. Step 2: Convert to fraction form
    10,827.42/16,239.68 = 3,432.62/x
  3. Step 3: Cross multiply
    10,827.42x = 16,239.68 × 3,432.62
  4. Step 4: Simplify right side
    10,827.42x = 55,744,650.36
  5. Step 5: Solve for x
    x = 55,744,650.36/10,827.42
  6. Step 6: Final answer
    x = 5,148.47

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1.5x scale

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.