Home / 11,223.64-16,835.50-3,432.42

Finding the Fourth Proportional to 11,223.64, 16,835.50 and 3,432.42

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Solution

The fourth proportional to 11,223.64, 16,835.50 and 3,432.42 is: 5,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.64 : 16,835.50 = 3,432.42 : x
  2. Step 2: Convert to fraction form
    11,223.64/16,835.50 = 3,432.42/x
  3. Step 3: Cross multiply
    11,223.64x = 16,835.50 × 3,432.42
  4. Step 4: Simplify right side
    11,223.64x = 57,786,506.91
  5. Step 5: Solve for x
    x = 57,786,506.91/11,223.64
  6. Step 6: Final answer
    x = 5,148.64

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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.